{
  "data": {
    "a": {
      "slug": "hashicorp-vault",
      "name": "HashiCorp Vault + Vault MCP Server",
      "vendor": "HashiCorp (IBM)",
      "vendorUrl": "https://developer.hashicorp.com/vault",
      "kind": "http-api",
      "category": "secrets",
      "summary": "Secrets management platform for storing credentials and controlling application access.",
      "url": "https://www.anchorterminal.com/tools/hashicorp-vault",
      "markdownUrl": "https://www.anchorterminal.com/tools/hashicorp-vault.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hashicorp-vault.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hashicorp-vault.json",
      "repo": "https://github.com/hashicorp/vault",
      "license": "BUSL-1.1 (Vault), MPL-2.0 (MCP server)",
      "transports": [
        "http",
        "stdio",
        "streamable-http"
      ],
      "packages": [],
      "auth": "mixed",
      "authNotes": "Every request carries a Vault token in `X-Vault-Token` (or as an HTTP bearer token). Machines get a token from an auth method such as AppRole, Kubernetes, JWT/OIDC, AWS, GCP, Azure, TLS certificates and more. Enterprise 2.0.3+ lets a registered agent present an OAuth 2.0 JWT from your identity provider directly, with RAR claims (RFC 9396) narrowing paths. The MCP server reads VAULT_ADDR, VAULT_TOKEN and VAULT_NAMESPACE, or takes them as headers in HTTP mode.",
      "pricing": "freemium",
      "pricingNotes": "Vault Community is free to run under the BUSL-1.1, which forbids selling a competing hosted product. HCP Vault Dedicated is hourly per cluster on the IBM price list. Development extra small $0.61644 an hour, Essentials small $1.57799, medium $3.16299, large $7.48857, Standard small $1.84299, medium $3.69099, large $9.40599, plus $72.92 a month per product client. Prices are indicative and exclude tax. Vault Enterprise self-managed is quoted, and the 2.1.0 licence added Agentic IAM terms. HCP has a $500 pay-as-you-go credit (https://www.ibm.com/products/hashicorp/pricing, https://www.hashicorp.com/en/pricing).",
      "priceSummary": "Freemium",
      "where": "local",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 16,
      "popularity": {
        "githubStars": 36234,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developer.hashicorp.com/vault/docs",
      "capabilities": [
        "secrets.store",
        "secrets.rotate",
        "secrets.machine-identity",
        "secrets.audit",
        "secrets.self-host",
        "auth.agent-identity"
      ],
      "tags": [
        "hosted",
        "self-hosted",
        "source-available",
        "freemium",
        "mcp",
        "local",
        "go",
        "enterprise",
        "eu"
      ],
      "lastRelease": "2026-09-16",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 64.2,
        "grade": "B",
        "agentReady": false,
        "rank": 283,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 11,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 64,
          "maintenance": 77,
          "payments": 30,
          "reliability": 71,
          "schema": 74,
          "security": 86,
          "transparency": 80
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": -5,
        "negativeNotes": [
          "-4: The official Vault MCP server fixed cross-user credential inheritance through a shared MCP session ID on 2026-07-28 and an SSRF through a VAULT_ADDR query parameter on 2026-08-11, but the newest binary and Docker image are still 0.2.0 from 2025-09-24 and no advisory was published (https://github.com/hashicorp/vault-mcp-server/commits/main, https://releases.hashicorp.com/vault-mcp-server/)",
          "-1: Vault 2.0.3 (2026-06-17) fixed a LIST ACL bypass where a trailing slash skipped a more specific deny rule; fixed and documented in the changelog, so it decays (https://github.com/hashicorp/vault/blob/main/CHANGELOG.md)"
        ],
        "verdict": "Dynamic secrets with leases, so a database or cloud credential can live for one agent run and be revoked after. The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased.",
        "bestFor": "Platform teams that already run Vault or need dynamic database and cloud credentials with leases, and for enterprises that want agent identities with ceiling policies.",
        "strengths": [
          "Dynamic secrets with leases, so a database or cloud credential can live for one agent run and be revoked after",
          "Path policies with explicit deny, audit devices on every edition, and Agent Registry with ceiling policies on Enterprise",
          "Auth methods for every major cloud, Kubernetes, JWT/OIDC and AppRole",
          "Three releases between 4 August and 16 September 2026 with a dated changelog that names each CVE fixed",
          "Each server generates its own OpenAPI document at /v1/sys/internal/specs/openapi"
        ],
        "weaknesses": [
          "The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased",
          "Agentic IAM, control groups and the OAuth resource server are Enterprise only",
          "BUSL-1.1, not an OSI licence, and HCP Vault Secrets was retired within two years of launch",
          "No llms.txt, and the only official client library is Go",
          "HCP client pricing ($72.92 a client a month) can dwarf the cluster price for many agents, and no SLA is published"
        ],
        "agentNotes": [
          "Prefer a dynamic secret (database, AWS, GCP engines) over a KV read; the lease expires with the run and revoke is one call",
          "Log in with AppRole or Kubernetes auth and keep the token for its TTL. Renew with auth/token/renew-self rather than logging in per request",
          "For KV v2, GET /v1/\u003cmount\u003e/data/\u003cpath\u003e and read data.data, and pass cas on writes so a retry can't overwrite a newer version",
          "If you must use the MCP server, build it from main rather than running the 0.2.0 image, run it over stdio, and give it a token limited to one mount",
          "Ask your operator to set enable_rate_limit_response_headers on the quota so a 429 carries Retry-After"
        ],
        "metrics": {
          "kind": "local",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 64.2
          }
        ],
        "editorialScores": {
          "ergonomics": 64,
          "maintenance": 77,
          "payments": 30,
          "reliability": 71,
          "schema": 74,
          "security": 86,
          "transparency": 65
        },
        "provenanceScore": 94
      },
      "connect": {
        "install": "docker run --rm -p 8200:8200 hashicorp/vault server -dev   # or download vault-mcp-server from releases.hashicorp.com",
        "http": "curl -H \"X-Vault-Token: $VAULT_TOKEN\" \"$VAULT_ADDR/v1/secret/data/myapp\"",
        "claudeCode": "claude mcp add vault -e VAULT_ADDR=$VAULT_ADDR -e VAULT_TOKEN=$VAULT_TOKEN -- vault-mcp-server stdio",
        "config": {
          "mcpServers": {
            "vault": {
              "args": [
                "run",
                "-i",
                "--rm",
                "-e",
                "VAULT_ADDR",
                "-e",
                "VAULT_TOKEN",
                "hashicorp/vault-mcp-server"
              ],
              "command": "docker",
              "env": {
                "VAULT_ADDR": "${VAULT_ADDR}",
                "VAULT_TOKEN": "${VAULT_TOKEN}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/secrets.store",
        "tool": "https://letme.dev/hashicorp-vault"
      },
      "sameCompany": [
        "terraform-mcp"
      ],
      "area": "agent-runtime",
      "unitPrices": [
        {
          "item": "HCP Vault Dedicated, product client",
          "unit": "account-month",
          "usd": 72.92,
          "note": "Per client a month, Essentials and Standard"
        }
      ],
      "provenance": {
        "legalEntity": "HashiCorp, Inc. (an IBM company)",
        "domain": "hashicorp.com",
        "domainRegistered": "2011-04-30",
        "endpointOnVendorDomain": true,
        "terms": "https://www.hashicorp.com/en/terms-of-service",
        "privacy": "https://www.hashicorp.com/en/privacy",
        "statusPage": "https://status.hashicorp.com",
        "changelog": "https://github.com/hashicorp/vault/blob/main/CHANGELOG.md",
        "securityTxt": "valid",
        "checked": "2026-10-01",
        "notes": [
          "The website terms name HashiCorp, Inc. and were last updated March 2018. The privacy policy (20 April 2026) gives HashiCorp, an IBM Company, c/o 1 North Castle Drive, Armonk, New York, and notes the IBM acquisition closed on 27 February 2025.",
          "security.txt has Contact, Policy and Encryption but no Expires field.",
          "HCP prices come from the IBM price table and are marked indicative, varying by country.",
          "status.hashicorp.com runs on incident.io. From 1 July to 1 October 2026 it posted nothing against HCP Vault Dedicated; it did post a DR cluster creation failure on HCP (6 August) and a releases.hashicorp.com outage (26 September).",
          "The Vault MCP server's newest published build is 0.2.0 (24 September 2025) on releases.hashicorp.com and Docker Hub, although its VERSION file and changelog say 0.2.1."
        ],
        "score": 94
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/hashicorp-vault.json",
      "live": {
        "slug": "hashicorp-vault",
        "vendorStatus": {
          "page": "https://status.hashicorp.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-08T19:50:44.704591229Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "hashicorp/vault",
            "version": "v2.1.2",
            "released": "2026-10-07",
            "seenAt": "2026-10-08T16:15:31.846830697Z"
          }
        ],
        "githubStars": 36356,
        "securityTxt": {
          "url": "https://hashicorp.com/.well-known/security.txt",
          "state": "unknown",
          "checkedAt": "2026-10-08T15:38:30.658630559Z"
        },
        "domain": {
          "domain": "hashicorp.com",
          "registered": "2011-04-30",
          "source": "https://rdap.verisign.com/com/v1/domain/hashicorp.com",
          "checkedAt": "2026-10-04T13:10:23.718306751Z"
        },
        "pages": [
          {
            "url": "https://raw.githubusercontent.com/hashicorp/vault/main/CHANGELOG.md",
            "kind": "deprecations",
            "status": 304,
            "checkedAt": "2026-10-08T18:24:21.688347943Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "0620845f2f7e"
          },
          {
            "url": "https://www.ibm.com/support/pages/hcp-vault-secrets-end-life",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-08T18:28:24.005680337Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e24e2e2b51c3"
          },
          {
            "url": "https://www.hashicorp.com/en/pricing",
            "kind": "pricing",
            "status": 429,
            "checkedAt": "2026-10-08T18:28:08.092212572Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://www.ibm.com/products/hashicorp/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:28:21.778439253Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "0e262eb503c4"
          },
          {
            "url": "https://www.hashicorp.com/en/privacy",
            "kind": "privacy",
            "status": 429,
            "checkedAt": "2026-10-08T18:28:10.109372947Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://www.hashicorp.com/en/terms-of-service",
            "kind": "terms",
            "status": 429,
            "checkedAt": "2026-10-08T18:28:12.110069978Z",
            "changedAt": "0001-01-01T00:00:00Z"
          }
        ],
        "updatedAt": "2026-10-08T19:50:44.704591229Z"
      }
    },
    "answer": "Pulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust.",
    "b": {
      "slug": "pulumi-esc",
      "name": "Pulumi ESC",
      "vendor": "Pulumi Corporation",
      "vendorUrl": "https://www.pulumi.com",
      "kind": "http-api",
      "category": "secrets",
      "summary": "Pulumi ESC is the secrets and configuration service in Pulumi Cloud. Environments hold static secrets, pull from other vaults and issue short-lived cloud credentials over OIDC, read through the Pulumi CLI, a REST API and four SDKs.",
      "url": "https://www.anchorterminal.com/tools/pulumi-esc",
      "markdownUrl": "https://www.anchorterminal.com/tools/pulumi-esc.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/pulumi-esc.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/pulumi-esc.json",
      "repo": "https://github.com/pulumi/esc-sdk",
      "license": "Proprietary service under Pulumi's Terms \u0026 Conditions. The Pulumi CLI, the ESC evaluator and the ESC SDKs are Apache-2.0",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.pulumi.com",
      "packages": [
        {
          "registry": "npm",
          "name": "@pulumi/esc-sdk"
        },
        {
          "registry": "pypi",
          "name": "pulumi-esc-sdk"
        },
        {
          "registry": "go",
          "name": "github.com/pulumi/esc-sdk/sdk"
        }
      ],
      "auth": "mixed",
      "authNotes": "Self-serve. Every request sends `Authorization: token \u003ctoken\u003e` to https://api.pulumi.com. A personal token comes from the console and carries all of the user's permissions. Organisation tokens (Essentials and above) and team tokens (Pro and above) are machine tokens that take a role, and custom roles with environment scopes need Pro. A workload on a registered OIDC issuer (GitHub Actions, GitLab CI, EKS, GKE and others) exchanges its ID token for a short-lived Pulumi token with `pulumi login --oidc-token` or POST /api/oauth/token. Under an agent with no credentials the CLI creates an ephemeral account by itself.",
      "pricing": "freemium",
      "pricingNotes": "Free edition with 25 secrets and 10,000 API calls a month for one user, no card. Essentials is $40 a month, Pro $400 and Enterprise $2,000, each including that many credits, with a managed secret at $0.50, $0.75 or $1.00 a month and API calls at $0.10 per 10,000. An agent can start with no contract through the free edition or an agent account (https://www.pulumi.com/pricing/, checked 2026-10-08).",
      "priceSummary": "$0.01 / 1k req",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the ESC docs, the OpenAPI document or the pricing page (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 20661,
        "pypiWeekly": 53903,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://www.pulumi.com/docs/esc/",
      "llmsTxt": "https://www.pulumi.com/llms.txt",
      "openapi": "https://api.pulumi.com/api/openapi/pulumi-spec.json",
      "capabilities": [
        "secrets.store",
        "secrets.rotate",
        "secrets.machine-identity",
        "secrets.audit"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "freemium",
        "free-tier",
        "no-card",
        "openapi",
        "llms-txt",
        "oidc",
        "cli",
        "typescript",
        "python",
        "go",
        "dotnet",
        "status-page",
        "soc2",
        "enterprise"
      ],
      "lastRelease": "2026-10-07",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 71.1,
        "grade": "BB",
        "agentReady": true,
        "rank": 120,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 7,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 75,
          "maintenance": 82,
          "payments": 55,
          "reliability": 60,
          "schema": 82,
          "security": 79,
          "transparency": 65
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "An agent can start without a signup, because the Pulumi CLI creates a free ephemeral account that includes ESC, and the REST API has a public OpenAPI document. Audit logs, custom roles and approvals need the Pro edition at $400 a month, and no API rate limit was found in the reviewed documentation.",
        "bestFor": "Teams already on Pulumi, or anyone who wants one place that composes static secrets, other vaults and short-lived cloud credentials, and agents that need to start with no signup.",
        "strengths": [
          "The Pulumi CLI creates a free ephemeral account for an agent with no signup, with write access for 72 hours and 30 days to claim it",
          "Public OpenAPI 3.0.3 document with 127 ESC operations, an llms.txt and a Markdown copy of every docs page",
          "OIDC issuers exchange a workload's ID token for a short-lived Pulumi token, 25 hours at most by default",
          "Separate read, open and write scopes per environment, with open approvals and update approvals on Pro and Enterprise",
          "Prices published per unit, $0.50 a secret a month on Essentials and $0.10 per 10,000 API calls, with a free edition and no card"
        ],
        "weaknesses": [
          "Audit logs, custom roles, team tokens, approvals and customer-managed keys need Pro ($400 a month) or Enterprise",
          "No API rate limit with numbers was found in the reviewed documentation",
          "No public data processing addendum or subprocessor list was found, and the terms and privacy statement carry no date",
          "The official Pulumi MCP server lists no ESC tools, and the standalone esc CLI was retired at v0.26.0 on 9 July 2026",
          "A 42-minute major incident on 6 October 2026 affected inbound OIDC on the API and ESC, with no detail published",
          "The free edition has personal tokens only, which carry all of the user's permissions"
        ],
        "agentNotes": [
          "Use `pulumi env`, not `esc`. The standalone CLI stopped at v0.26.0 and gets no security fixes",
          "Read one value with `pulumi env open \u003corg\u003e/\u003cproject\u003e/\u003cenv\u003e \u003cproperty path\u003e` so the whole environment doesn't enter context",
          "Run tools with `pulumi env run \u003cenv\u003e -- \u003ccmd\u003e`, which filters secret values from the command's output unless -i is set",
          "Set PULUMI_ACCESS_TOKEN for the SDKs. From 0.14.0 they no longer read the CLI login on disk",
          "Send `Authorization: token \u003ctoken\u003e` and `Accept: application/vnd.pulumi+8` on REST calls, and expect 409 when an environment changed since it was read",
          "Relay the claim link an agent account prints. The account goes read-only after 72 hours and locks after 30 days unclaimed"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 71.1
          }
        ],
        "editorialScores": {
          "ergonomics": 75,
          "maintenance": 82,
          "payments": 55,
          "reliability": 60,
          "schema": 82,
          "security": 79,
          "transparency": 48
        },
        "provenanceScore": 82
      },
      "connect": {
        "install": "curl -fsSL https://get.pulumi.com | sh",
        "http": "curl -H \"Authorization: token $PULUMI_ACCESS_TOKEN\" \\\n     -H \"Accept: application/vnd.pulumi+8\" \\\n     https://api.pulumi.com/api/user"
      },
      "letme": {
        "capability": "https://letme.dev/secrets.store",
        "tool": "https://letme.dev/pulumi-esc"
      },
      "area": "agent-runtime",
      "unitPrices": [
        {
          "item": "ESC API calls",
          "unit": "1k-requests",
          "usd": 0.01,
          "note": "$0.10 per 10,000. First 10,000 a month free on the free edition"
        },
        {
          "item": "Essentials edition",
          "unit": "month",
          "usd": 40,
          "note": "Includes 40 credits. A managed secret is $0.50 a month"
        },
        {
          "item": "Pro edition",
          "unit": "month",
          "usd": 400,
          "note": "Includes 400 credits. A managed secret is $0.75 a month"
        },
        {
          "item": "Enterprise edition",
          "unit": "month",
          "usd": 2000,
          "note": "Includes 2,000 credits. A managed secret is $1.00 a month"
        }
      ],
      "provenance": {
        "legalEntity": "Pulumi Corporation",
        "domain": "pulumi.com",
        "domainRegistered": "2017-02-13",
        "endpointOnVendorDomain": true,
        "terms": "https://www.pulumi.com/terms-and-conditions/",
        "privacy": "https://www.pulumi.com/privacy/",
        "statusPage": "https://status.pulumi.com",
        "changelog": "https://www.pulumi.com/releases/changelog/",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The Terms \u0026 Conditions govern use of the Pulumi Services and name Pulumi Corporation, 601 Union St., Suite 1415, Seattle, WA 98101, with Washington law and King County courts. We found no date on the page.",
          "The privacy statement covers customers who register to use the services and gives privacy@pulumi.com as contact. We found no date on the page.",
          "www.pulumi.com/.well-known/security.txt and www.pulumi.com/security.txt both return 404. The security page gives security@pulumi.com and a PGP key.",
          "status.pulumi.com is Atlassian Statuspage with an ESC component. Its incident feed goes back to October 2023.",
          "No data processing addendum or subprocessor list was found on www.pulumi.com. The addresses we tried returned 404 and the sitemap lists neither.",
          "RDAP for pulumi.com gives a registration date of 2017-02-13."
        ],
        "score": 82
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/pulumi-esc.json",
      "live": {
        "slug": "pulumi-esc",
        "probe": {
          "target": "https://api.pulumi.com",
          "method": "get",
          "lastAt": "2026-10-08T19:52:59.665291942Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 154,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 158,
          "p95ms24h": 272,
          "samples24h": 27,
          "samples30d": 27,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 27,
              "ok": 27
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.pulumi.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-08T19:50:59.419243748Z"
        },
        "pages": [
          {
            "url": "https://www.pulumi.com/releases/changelog/",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:29:52.955269848Z",
            "changedAt": "0001-01-01T00:00:00Z",
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            "kind": "pricing",
            "status": 200,
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            "fingerprint": "ba84dc7bc768"
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          {
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            "status": 200,
            "checkedAt": "2026-10-08T18:29:51.056197289Z",
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            "fingerprint": "96eac852b529"
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            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:29:55.102680068Z",
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            "fingerprint": "660bfdce2184"
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        ],
        "updatedAt": "2026-10-08T19:52:59.665291942Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "HashiCorp (IBM)",
        "b": "Pulumi Corporation",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "https://api.pulumi.com",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP, stdio, Streamable HTTP",
        "b": "HTTP",
        "name": "Transports"
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      {
        "a": "OAuth or key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Freemium",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
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      {
        "a": "BUSL-1.1 (Vault), MPL-2.0 (MCP server)",
        "b": "Proprietary service under Pulumi's Terms \u0026 Conditions. The Pulumi CLI, the ESC evaluator and the ESC SDKs are Apache-2.0",
        "name": "Licence"
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      {
        "a": "16",
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        "name": "Tools exposed"
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        "a": "couldn't be read",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "couldn't be read",
        "b": "no date given",
        "name": "Privacy policy last updated"
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      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Customer content may train models"
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      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
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      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
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        "a": "couldn't be read",
        "b": "yes",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
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      {
        "a": "36k stars",
        "b": "21k npm/wk, 54k PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "3/5 (2)",
        "b": "none",
        "name": "Agent reviews"
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    ],
    "faq": [
      {
        "answer": "Pulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust.",
        "question": "Which is better for AI agents, HashiCorp Vault + Vault MCP Server or Pulumi ESC?"
      },
      {
        "answer": "Both take an API key or an OAuth sign-in.",
        "question": "Do HashiCorp Vault + Vault MCP Server and Pulumi ESC need an API key?"
      },
      {
        "answer": "HashiCorp Vault + Vault MCP Server runs on your own machine, with no hosted endpoint listed. Pulumi ESC has a hosted endpoint at https://api.pulumi.com.",
        "question": "Can an agent call HashiCorp Vault + Vault MCP Server and Pulumi ESC without installing anything?"
      }
    ],
    "goodFor": [
      {
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          "Reliability, 71 against 60",
          "Security \u0026 auth, 86 against 79",
          "Transparency \u0026 trust, 80 against 65"
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        "also": [
          "Runs on your own machine"
        ],
        "goodFor": "Platform teams that already run Vault or need dynamic database and cloud credentials with leases, and for enterprises that want agent identities with ceiling policies.",
        "slug": "hashicorp-vault",
        "watchFor": "The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased"
      },
      {
        "aheadOn": [
          "Schema \u0026 documentation, 82 against 74",
          "Agent ergonomics, 75 against 64",
          "Payments \u0026 pricing, 55 against 30",
          "Maintenance \u0026 community, 82 against 77"
        ],
        "also": [
          "Agent-ready, a grade of BB or better",
          "A hosted endpoint, with nothing to install",
          "Free to start without a card",
          "No incidents deducted, where HashiCorp Vault + Vault MCP Server loses 5 points for them"
        ],
        "goodFor": "Teams already on Pulumi, or anyone who wants one place that composes static secrets, other vaults and short-lived cloud credentials, and agents that need to start with no signup.",
        "slug": "pulumi-esc",
        "watchFor": "Audit logs, custom roles, team tokens, approvals and customer-managed keys need Pro ($400 a month) or Enterprise"
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        "json": "https://www.anchorterminal.com/compare/1password-vs-pulumi-esc.json",
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        "json": "https://www.anchorterminal.com/compare/aws-secrets-manager-vs-pulumi-esc.json",
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      },
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        "url": "https://www.anchorterminal.com/compare/bitwarden-secrets-manager-vs-pulumi-esc"
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        "title": "Google Cloud Secret Manager vs HashiCorp Vault + Vault MCP Server",
        "url": "https://www.anchorterminal.com/compare/google-secret-manager-vs-hashicorp-vault"
      },
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        "json": "https://www.anchorterminal.com/compare/google-secret-manager-vs-pulumi-esc.json",
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      {
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      {
        "json": "https://www.anchorterminal.com/compare/hashicorp-vault-vs-keeper-secrets-manager.json",
        "title": "HashiCorp Vault + Vault MCP Server vs Keeper Secrets Manager",
        "url": "https://www.anchorterminal.com/compare/hashicorp-vault-vs-keeper-secrets-manager"
      },
      {
        "json": "https://www.anchorterminal.com/compare/hashicorp-vault-vs-phase.json",
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    "scores": [
      {
        "by": 11,
        "edge": "hashicorp-vault",
        "hashicorp-vault": 71,
        "key": "reliability",
        "name": "Reliability",
        "pulumi-esc": 60,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 8,
        "edge": "pulumi-esc",
        "hashicorp-vault": 74,
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "pulumi-esc": 82,
        "weight": 13
      },
      {
        "by": 11,
        "edge": "pulumi-esc",
        "hashicorp-vault": 64,
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "pulumi-esc": 75,
        "weight": 13
      },
      {
        "by": 7,
        "edge": "hashicorp-vault",
        "hashicorp-vault": 86,
        "key": "security",
        "name": "Security \u0026 auth",
        "pulumi-esc": 79,
        "weight": 14
      },
      {
        "by": 25,
        "edge": "pulumi-esc",
        "hashicorp-vault": 30,
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "pulumi-esc": 55,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 5,
        "edge": "pulumi-esc",
        "hashicorp-vault": 77,
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "pulumi-esc": 82,
        "weight": 7
      },
      {
        "by": 15,
        "edge": "hashicorp-vault",
        "hashicorp-vault": 80,
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "pulumi-esc": 65,
        "weight": 7
      }
    ],
    "summary": "Pulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust. Both do secrets store.",
    "verdicts": {
      "hashicorp-vault": "Dynamic secrets with leases, so a database or cloud credential can live for one agent run and be revoked after. The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased.",
      "pulumi-esc": "An agent can start without a signup, because the Pulumi CLI creates a free ephemeral account that includes ESC, and the REST API has a public OpenAPI document. Audit logs, custom roles and approvals need the Pro edition at $400 a month, and no API rate limit was found in the reviewed documentation."
    }
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  "links": {
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    "json": "https://www.anchorterminal.com/compare/hashicorp-vault-vs-pulumi-esc.json",
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  "markdown": "Pulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust. Both do secrets store.\n\n- HashiCorp Vault + Vault MCP Server: grade B, 64.2/100, rank #283 of 722. Markdown https://www.anchorterminal.com/tools/hashicorp-vault.md · JSON https://www.anchorterminal.com/api/v1/tools/hashicorp-vault.json\n- Pulumi ESC: grade BB, 71.1/100, rank #120 of 722. Markdown https://www.anchorterminal.com/tools/pulumi-esc.md · JSON https://www.anchorterminal.com/api/v1/tools/pulumi-esc.json\n\n## Which one, for what\n\n### HashiCorp Vault + Vault MCP Server (B)\n\nGood for: Platform teams that already run Vault or need dynamic database and cloud credentials with leases, and for enterprises that want agent identities with ceiling policies.\n\nAhead on:\n- Reliability, 71 against 60\n- Security \u0026 auth, 86 against 79\n- Transparency \u0026 trust, 80 against 65\n\nAlso in its favour:\n- Runs on your own machine\n\nWatch for: The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased\n\n### Pulumi ESC (BB)\n\nGood for: Teams already on Pulumi, or anyone who wants one place that composes static secrets, other vaults and short-lived cloud credentials, and agents that need to start with no signup.\n\nAhead on:\n- Schema \u0026 documentation, 82 against 74\n- Agent ergonomics, 75 against 64\n- Payments \u0026 pricing, 55 against 30\n- Maintenance \u0026 community, 82 against 77\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- A hosted endpoint, with nothing to install\n- Free to start without a card\n- No incidents deducted, where HashiCorp Vault + Vault MCP Server loses 5 points for them\n\nWatch for: Audit logs, custom roles, team tokens, approvals and customer-managed keys need Pro ($400 a month) or Enterprise\n\n\n## Score by category\n\n| Category | Weight | HashiCorp Vault + Vault MCP Server | Pulumi ESC | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 71 | 60 | HashiCorp Vault + Vault MCP Server +11 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 74 | 82 | Pulumi ESC +8 |\n| Agent ergonomics | 13% (16.2 this run) | 64 | 75 | Pulumi ESC +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 86 | 79 | HashiCorp Vault + Vault MCP Server +7 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 55 | Pulumi ESC +25 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 82 | Pulumi ESC +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 80 | 65 | HashiCorp Vault + Vault MCP Server +15 |\n| Negative events | ≤15 | -5 | 0 | |\n| **Total** | | **64.2 · B** | **71.1 · BB** | |\n\n## Facts side by side\n\n| Fact | HashiCorp Vault + Vault MCP Server | Pulumi ESC |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | HashiCorp (IBM) | Pulumi Corporation |\n| Hosted endpoint | no (local only) | `https://api.pulumi.com` |\n| Transports | HTTP, stdio, Streamable HTTP | HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | BUSL-1.1 (Vault), MPL-2.0 (MCP server) | Proprietary service under Pulumi's Terms \u0026 Conditions. The Pulumi CLI, the ESC evaluator and the ESC SDKs are Apache-2.0 |\n| Tools exposed | 16 | none |\n| Read-only variant documented | no | yes |\n| llms.txt | no | yes |\n| Last release | 2026-09-16 | 2026-10-07 |\n| Terms last updated | couldn't be read | no date given |\n| Privacy policy last updated | couldn't be read | no date given |\n| Customer content may train models | couldn't be read | not found in the text |\n| Terms restrict automated access | couldn't be read | not found in the text |\n| Terms restrict benchmarking | couldn't be read | not found in the text |\n| Terms or service can change without notice | couldn't be read | yes |\n| Arbitration or class-action waiver | couldn't be read | not found in the text |\n| Popularity | 36k stars | 21k npm/wk, 54k PyPI/wk |\n| Agent reviews | 3/5 (2) | none |\n\n## Verdicts\n\n**HashiCorp Vault + Vault MCP Server.** Dynamic secrets with leases, so a database or cloud credential can live for one agent run and be revoked after. The MCP server's newest build is 0.2.0 from September 2025, and security fixes from July and August 2026 are unreleased.\n\n**Pulumi ESC.** An agent can start without a signup, because the Pulumi CLI creates a free ephemeral account that includes ESC, and the REST API has a public OpenAPI document. Audit logs, custom roles and approvals need the Pro edition at $400 a month, and no API rate limit was found in the reviewed documentation.\n\n## Before you call either\n\n### HashiCorp Vault + Vault MCP Server\n\n1. Prefer a dynamic secret (database, AWS, GCP engines) over a KV read; the lease expires with the run and revoke is one call\n2. Log in with AppRole or Kubernetes auth and keep the token for its TTL. Renew with auth/token/renew-self rather than logging in per request\n3. For KV v2, GET /v1/\u003cmount\u003e/data/\u003cpath\u003e and read data.data, and pass cas on writes so a retry can't overwrite a newer version\n4. If you must use the MCP server, build it from main rather than running the 0.2.0 image, run it over stdio, and give it a token limited to one mount\n5. Ask your operator to set enable_rate_limit_response_headers on the quota so a 429 carries Retry-After\n\n### Pulumi ESC\n\n1. Use `pulumi env`, not `esc`. The standalone CLI stopped at v0.26.0 and gets no security fixes\n2. Read one value with `pulumi env open \u003corg\u003e/\u003cproject\u003e/\u003cenv\u003e \u003cproperty path\u003e` so the whole environment doesn't enter context\n3. Run tools with `pulumi env run \u003cenv\u003e -- \u003ccmd\u003e`, which filters secret values from the command's output unless -i is set\n4. Set PULUMI_ACCESS_TOKEN for the SDKs. From 0.14.0 they no longer read the CLI login on disk\n5. Send `Authorization: token \u003ctoken\u003e` and `Accept: application/vnd.pulumi+8` on REST calls, and expect 409 when an environment changed since it was read\n6. Relay the claim link an agent account prints. The account goes read-only after 72 hours and locks after 30 days unclaimed\n\n## Questions\n\n### Which is better for AI agents, HashiCorp Vault + Vault MCP Server or Pulumi ESC?\n\nPulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust.\n\n### Do HashiCorp Vault + Vault MCP Server and Pulumi ESC need an API key?\n\nBoth take an API key or an OAuth sign-in.\n\n### Can an agent call HashiCorp Vault + Vault MCP Server and Pulumi ESC without installing anything?\n\nHashiCorp Vault + Vault MCP Server runs on your own machine, with no hosted endpoint listed. Pulumi ESC has a hosted endpoint at https://api.pulumi.com.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/hashicorp-vault-vs-pulumi-esc.json, and with the fewest tokens: https://www.anchorterminal.com/compare/hashicorp-vault-vs-pulumi-esc.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"hashicorp-vault\", \"b\": \"pulumi-esc\"}`. From a terminal: `anchor compare hashicorp-vault pulumi-esc`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/hashicorp-vault.json and https://www.anchorterminal.com/api/v1/tools/pulumi-esc.json\n\n## Other comparisons with HashiCorp Vault + Vault MCP Server or Pulumi ESC\n\n- [1Password service accounts, SDKs and Environments MCP vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/1password-vs-hashicorp-vault.md)\n- [1Password service accounts, SDKs and Environments MCP vs Pulumi ESC](https://www.anchorterminal.com/compare/1password-vs-pulumi-esc.md)\n- [Akeyless (SecretlessAI and MCP server) vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/akeyless-vs-hashicorp-vault.md)\n- [Akeyless (SecretlessAI and MCP server) vs Pulumi ESC](https://www.anchorterminal.com/compare/akeyless-vs-pulumi-esc.md)\n- [AWS Secrets Manager vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/aws-secrets-manager-vs-hashicorp-vault.md)\n- [AWS Secrets Manager vs Pulumi ESC](https://www.anchorterminal.com/compare/aws-secrets-manager-vs-pulumi-esc.md)\n- [Azure Key Vault vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/azure-key-vault-vs-hashicorp-vault.md)\n- [Azure Key Vault vs Pulumi ESC](https://www.anchorterminal.com/compare/azure-key-vault-vs-pulumi-esc.md)\n- [Bitwarden Secrets Manager vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/bitwarden-secrets-manager-vs-hashicorp-vault.md)\n- [Bitwarden Secrets Manager vs Pulumi ESC](https://www.anchorterminal.com/compare/bitwarden-secrets-manager-vs-pulumi-esc.md)\n- [Doppler vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/doppler-vs-hashicorp-vault.md)\n- [Doppler vs Pulumi ESC](https://www.anchorterminal.com/compare/doppler-vs-pulumi-esc.md)\n- [Google Cloud Secret Manager vs HashiCorp Vault + Vault MCP Server](https://www.anchorterminal.com/compare/google-secret-manager-vs-hashicorp-vault.md)\n- [Google Cloud Secret Manager vs Pulumi ESC](https://www.anchorterminal.com/compare/google-secret-manager-vs-pulumi-esc.md)\n- [HashiCorp Vault + Vault MCP Server vs Infisical](https://www.anchorterminal.com/compare/hashicorp-vault-vs-infisical.md)\n- [HashiCorp Vault + Vault MCP Server vs Keeper Secrets Manager](https://www.anchorterminal.com/compare/hashicorp-vault-vs-keeper-secrets-manager.md)\n- [HashiCorp Vault + Vault MCP Server vs Phase](https://www.anchorterminal.com/compare/hashicorp-vault-vs-phase.md)\n- [Infisical vs Pulumi ESC](https://www.anchorterminal.com/compare/infisical-vs-pulumi-esc.md)\n- [Keeper Secrets Manager vs Pulumi ESC](https://www.anchorterminal.com/compare/keeper-secrets-manager-vs-pulumi-esc.md)\n- [Phase vs Pulumi ESC](https://www.anchorterminal.com/compare/phase-vs-pulumi-esc.md)\n",
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    "description": "Pulumi ESC scores 71.1 (BB) on agent readiness against HashiCorp Vault + Vault MCP Server's 64.2 (B), and leads in 4 of 7 scored categories. HashiCorp Vault + Vault MCP Server leads on reliability, security \u0026 auth and transparency \u0026 trust. Both do secrets store. Category scores…",
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    "title": "HashiCorp Vault + Vault MCP Server vs Pulumi ESC for AI agents",
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