{
  "data": {
    "a": {
      "slug": "mem0",
      "name": "Mem0 Platform + MCP",
      "vendor": "Mem0",
      "vendorUrl": "https://mem0.ai",
      "kind": "http-api",
      "category": "agent-memory",
      "summary": "Hosted memory layer that extracts facts from conversations and returns the relevant ones for a user, agent or run on later turns.",
      "url": "https://www.anchorterminal.com/tools/mem0",
      "markdownUrl": "https://www.anchorterminal.com/tools/mem0.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/mem0.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/mem0.json",
      "repo": "https://github.com/mem0ai/mem0",
      "license": "Apache-2.0",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.mem0.ai",
      "packages": [
        {
          "registry": "pypi",
          "name": "mem0ai"
        },
        {
          "registry": "npm",
          "name": "mem0ai"
        }
      ],
      "auth": "api-key",
      "authNotes": "API key in the `Authorization: Token \u003ckey\u003e` header on the REST API, not Bearer. The hosted MCP at mcp.mem0.ai/mcp signs in through the browser by default, and headless clients pass the API key as a Bearer token. `mem0 init --agent` creates an unclaimed Free account with no email, limited to 5 sign-ups a day per IP address.",
      "pricing": "freemium",
      "pricingNotes": "Hobby is free with 10,000 add requests and 1,000 retrieval requests a month and 1 project. Starter is $19 a month (50,000 adds, 5,000 retrievals). Pro is $249 a month (500,000 adds, 50,000 retrievals, unlimited projects, graph memory, advanced analytics and Dream memory consolidation). Enterprise is custom, with on-prem deployment, audit logs and SSO. The page lists no overage prices or yearly discount (https://mem0.ai/pricing). The free tier needs no card (https://docs.mem0.ai/platform/platform-vs-oss).",
      "priceSummary": "$19 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 11,
      "popularity": {
        "githubStars": 65900,
        "npmWeekly": 167841,
        "pypiWeekly": 501642,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.mem0.ai",
      "llmsTxt": "https://mem0.ai/llms.txt",
      "openapi": "https://docs.mem0.ai/openapi.json",
      "registryName": "io.github.mem0ai/mem0",
      "capabilities": [
        "memory.store",
        "memory.search",
        "memory.graph",
        "memory.user",
        "memory.delete"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "no-card",
        "mcp",
        "llms-txt",
        "openapi",
        "python",
        "typescript",
        "open-source",
        "self-hosted",
        "enterprise"
      ],
      "lastRelease": "2026-09-25",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 56.6,
        "grade": "C",
        "agentReady": false,
        "rank": 301,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 4,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 63,
          "maintenance": 85,
          "payments": 50,
          "reliability": 30,
          "schema": 80,
          "security": 45,
          "transparency": 66
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "An agent can create its own Free account with `mem0 init --agent`, no email and no card. Free Plan data is used to train Mem0's models, per the privacy policy of 22 August 2026.",
        "strengths": [
          "An agent can create its own Free account with `mem0 init --agent`, no email and no card",
          "Hosted MCP server with 11 tools, listed in the official MCP registry as io.github.mem0ai/mem0",
          "Public OpenAPI spec, llms.txt and Python and TypeScript SDKs, both released on 2026-09-25",
          "Apache-2.0 library that runs the same extraction on your own servers"
        ],
        "weaknesses": [
          "Free Plan data is used to train Mem0's models, per the privacy policy of 22 August 2026",
          "No published rate limits or 429 handling, and only 400 and 404 documented as errors",
          "Retrieval caps are low below Pro, 1,000 a month free and 5,000 on Starter",
          "delete_all_memories and delete_entities are in the default MCP tool list with no read-only mode",
          "SOC 2 Type I, not Type II, and no security.txt"
        ],
        "agentNotes": [
          "Send the REST key as `Authorization: Token \u003ckey\u003e`, and the MCP key as Bearer",
          "Don't search for a memory straight after adding it. Adds are queued, so poll get_event_status with the returned event ID",
          "Scope every add and search with `user_id` (or agent and run IDs) so memories don't mix between users",
          "Pass a filter on every bulk delete, since delete_all_memories wipes whatever the scope matches",
          "On Hobby and Starter, count retrievals rather than adds. The retrieval quota is a tenth the size"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 56.6
          }
        ],
        "editorialScores": {
          "ergonomics": 63,
          "maintenance": 85,
          "payments": 50,
          "reliability": 30,
          "schema": 80,
          "security": 45,
          "transparency": 56
        },
        "provenanceScore": 75
      },
      "connect": {
        "install": "pip install mem0ai   # or: npm install mem0ai",
        "http": "curl -X POST https://api.mem0.ai/v1/memories/ -H \"Authorization: Token $MEM0_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"messages\":[{\"role\":\"user\",\"content\":\"I am vegetarian and allergic to nuts.\"}],\"user_id\":\"alex\"}'",
        "claudeCode": "claude mcp add --transport http mem0 https://mcp.mem0.ai/mcp --header \"Authorization: Bearer $MEM0_API_KEY\"",
        "config": {
          "mcpServers": {
            "mem0": {
              "headers": {
                "Authorization": "Bearer ${MEM0_API_KEY}"
              },
              "type": "http",
              "url": "https://mcp.mem0.ai/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/memory.store",
        "tool": "https://letme.dev/mem0"
      },
      "area": "agent-runtime",
      "unitPrices": [
        {
          "item": "Starter plan",
          "unit": "month",
          "usd": 19,
          "note": "50,000 adds and 5,000 retrievals a month"
        },
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 249,
          "note": "500,000 adds and 50,000 retrievals a month, graph memory"
        }
      ],
      "provenance": {
        "legalEntity": "Embedchain, Inc. (DBA Mem0)",
        "domain": "mem0.ai",
        "domainRegistered": "",
        "endpointOnVendorDomain": true,
        "terms": "https://mem0.ai/terms",
        "privacy": "https://mem0.ai/privacy-policy",
        "statusPage": "https://status.mem0.ai",
        "changelog": "https://docs.mem0.ai/changelog/platform",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The privacy policy, last updated 22 August 2026, names Embedchain, Inc. doing business as Mem0, and lists OpenAI and Anthropic among the AI providers that process data.",
          "mem0.ai/.well-known/security.txt returns 404."
        ],
        "score": 75
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/mem0.json",
      "live": {
        "slug": "mem0",
        "probe": {
          "target": "https://api.mem0.ai",
          "method": "get",
          "lastAt": "2026-10-04T23:32:50.34717825Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 435,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 448,
          "p95ms24h": 486,
          "samples24h": 272,
          "samples30d": 895,
          "days": [
            {
              "date": "2026-10-01",
              "probes": 109,
              "ok": 109
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.mem0.ai",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:14.779830933Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "mem0ai/mem0",
            "version": "ts-v3.3.1",
            "released": "2026-09-25",
            "seenAt": "2026-10-04T16:32:45.326482651Z"
          },
          {
            "registry": "mcp-registry",
            "name": "io.github.mem0ai/mem0",
            "version": "1.0.0",
            "seenAt": "2026-10-03T23:29:28.630222764Z"
          },
          {
            "registry": "npm",
            "name": "mem0ai",
            "version": "3.3.1",
            "seenAt": "2026-10-04T16:32:44.420534398Z"
          },
          {
            "registry": "pypi",
            "name": "mem0ai",
            "version": "2.2.1",
            "released": "2026-09-25",
            "seenAt": "2026-10-04T16:32:44.229639741Z"
          }
        ],
        "githubStars": 66563,
        "npmWeekly": 194539,
        "pypiWeekly": 499479,
        "securityTxt": {
          "url": "https://mem0.ai/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:39.268311293Z"
        },
        "llmsTxt": {
          "url": "https://mem0.ai/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:58.107208079Z"
        },
        "domain": {
          "domain": "mem0.ai",
          "registered": "2024-05-15",
          "source": "https://rdap.identitydigital.services/rdap/domain/mem0.ai",
          "checkedAt": "2026-10-04T13:05:24.712383123Z"
        },
        "pages": [
          {
            "url": "https://docs.mem0.ai/changelog/platform",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:49.172518989Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "260709ea3b0d"
          },
          {
            "url": "https://mem0.ai/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:50.079293708Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a0e74db1e2b1"
          },
          {
            "url": "https://mem0.ai/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:52.274204382Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "6ca47106ef6c"
          },
          {
            "url": "https://mem0.ai/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:54.369638763Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "8cbc548b1c9a"
          }
        ],
        "updatedAt": "2026-10-04T23:32:50.34717825Z"
      }
    },
    "b": {
      "slug": "zep",
      "name": "Zep",
      "vendor": "Zep",
      "vendorUrl": "https://www.getzep.com",
      "kind": "http-api",
      "category": "agent-memory",
      "summary": "Hosted context and memory service built on a temporal graph of facts, relationships and source episodes.",
      "url": "https://www.anchorterminal.com/tools/zep",
      "markdownUrl": "https://www.anchorterminal.com/tools/zep.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/zep.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/zep.json",
      "repo": "https://github.com/getzep/zep",
      "license": "Apache-2.0 (examples repo). The service is closed-source",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.getzep.com/api/v2",
      "packages": [
        {
          "registry": "pypi",
          "name": "zep-cloud"
        },
        {
          "registry": "npm",
          "name": "@getzep/zep-cloud"
        }
      ],
      "auth": "mixed",
      "authNotes": "Project API key in the `Authorization: Api-Key \u003ckey\u003e` header. Keys can carry ABAC policies that limit what each agent reaches. The Memory MCP server at api.getzep.com/mcp uses OAuth 2.1 with PKCE and signs users in through their organisation's identity provider, so it suits people on a team more than headless agents.",
      "pricing": "freemium",
      "pricingNotes": "Free has 10,000 credits a month with no rollover, 2 projects, 1 MCP seat, and variable rate limits. The pricing page doesn't say whether a card is needed. Flex is $125 a month for 50,000 credits, then $25 per 10,000, at 600 requests a minute, with 30-day rollover and auto top-up. Flex Plus is $375 a month for 200,000 credits, then $75 per 40,000, at 1,000 requests a minute, with 60-day rollover. Enterprise is negotiated and adds guaranteed rate limits with an SLA, a HIPAA BAA, BYOK and BYOC. An episode (a chat message, JSON payload or block of text) costs 1 credit for up to 350 bytes and 1 more for each further 350 bytes or part. Storage, retrieval and users aren't metered, and each webhook call costs an eighth of a credit (https://www.getzep.com/pricing/).",
      "priceSummary": "$125 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 12,
      "popularity": {
        "githubStars": 4900,
        "npmWeekly": 129945,
        "pypiWeekly": 86681,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://help.getzep.com",
      "llmsTxt": "https://help.getzep.com/llms.txt",
      "openapi": "https://help.getzep.com/v3/openapi.json",
      "capabilities": [
        "memory.store",
        "memory.search",
        "memory.graph",
        "memory.user",
        "memory.delete"
      ],
      "tags": [
        "hosted",
        "freemium",
        "free-tier",
        "no-card",
        "mcp",
        "oauth",
        "llms-txt",
        "python",
        "typescript",
        "closed-source",
        "enterprise"
      ],
      "lastRelease": "2026-09-24",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 69.6,
        "grade": "B",
        "agentReady": false,
        "rank": 112,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 70,
          "maintenance": 80,
          "payments": 30,
          "reliability": 65,
          "schema": 89,
          "security": 84,
          "transparency": 61
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "high",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Facts that new data invalidates keep the time they stopped being true. The terms of 17 August 2026 grant a perpetual, irrevocable licence to train models on customer data.",
        "strengths": [
          "Facts that new data invalidates keep the time they stopped being true",
          "API keys can carry ABAC policies, and audit and API logs record what each key did",
          "Published rate limits (600 a minute on Flex, 1,000 on Flex Plus) with 429, Retry-After and X-RateLimit headers",
          "A memory-security guide that treats every context block as untrusted data",
          "SDKs for Python, TypeScript and Go, OpenAPI for v3 and llms.txt"
        ],
        "weaknesses": [
          "The terms of 17 August 2026 grant a perpetual, irrevocable licence to train models on customer data",
          "First paid plan is $125 a month, and credits grow with episode size",
          "The MCP server needs OAuth through a company identity provider, so a headless agent can't use it",
          "Four status incidents between 27 August and 15 September 2026",
          "No security.txt, no subprocessor list and no entry in the MCP registry"
        ],
        "agentNotes": [
          "Create the user and a thread before adding messages, as the quickstart does",
          "Set `return_context` when adding messages to skip a second round trip",
          "Keep episodes short. Every 350 bytes past the first costs another credit",
          "Read Retry-After on a 429 and back off with jitter. Free accounts over quota drop to 5 requests a minute",
          "Expect a delay after a graph add (202 Accepted) before new facts show up in search"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 4,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "high",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 69.6
          }
        ],
        "editorialScores": {
          "ergonomics": 70,
          "maintenance": 80,
          "payments": 30,
          "reliability": 65,
          "schema": 89,
          "security": 84,
          "transparency": 40
        },
        "provenanceScore": 82
      },
      "connect": {
        "install": "pip install zep-cloud   # or: npm install @getzep/zep-cloud",
        "http": "curl -X POST https://api.getzep.com/api/v2/graph -H \"Authorization: Api-Key $ZEP_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"user_id\":\"user-123\",\"type\":\"text\",\"data\":\"Alex moved to Leeds in March and prefers aisle seats.\"}'",
        "claudeCode": "claude mcp add --transport http zep https://api.getzep.com/mcp",
        "config": {
          "mcpServers": {
            "zep": {
              "type": "http",
              "url": "https://api.getzep.com/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/memory.store",
        "tool": "https://letme.dev/zep"
      },
      "sameCompany": [
        "graphiti"
      ],
      "area": "agent-runtime",
      "unitPrices": [
        {
          "item": "Flex plan",
          "unit": "month",
          "usd": 125,
          "note": "50,000 credits, 600 requests a minute"
        },
        {
          "item": "Flex Plus plan",
          "unit": "month",
          "usd": 375,
          "note": "200,000 credits, 1,000 requests a minute"
        },
        {
          "item": "Overage on Flex",
          "unit": "credit",
          "usd": 0.0025,
          "note": "$25 per 10,000 credits"
        },
        {
          "item": "Overage on Flex Plus",
          "unit": "credit",
          "usd": 0.001875,
          "note": "$75 per 40,000 credits"
        }
      ],
      "provenance": {
        "legalEntity": "Zep Software, Inc.",
        "domain": "getzep.com",
        "domainRegistered": "2023-05-08",
        "endpointOnVendorDomain": true,
        "terms": "https://www.getzep.com/legal/terms/",
        "privacy": "https://www.getzep.com/legal/privacy/",
        "statusPage": "https://status.getzep.com",
        "changelog": "https://help.getzep.com/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The terms, updated 17 August 2026, name Zep Software, Inc., a Delaware corporation, and are governed by California law.",
          "www.getzep.com/.well-known/security.txt returns 404."
        ],
        "score": 82
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/zep.json",
      "live": {
        "slug": "zep",
        "probe": {
          "target": "https://api.getzep.com/api/v2",
          "method": "get",
          "lastAt": "2026-10-04T23:32:57.030125407Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 187,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 193,
          "p95ms24h": 514,
          "samples24h": 272,
          "samples30d": 895,
          "days": [
            {
              "date": "2026-10-01",
              "probes": 109,
              "ok": 109
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.getzep.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:28:06.068257574Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "getzep/zep",
            "version": "zep-ingest-v0.3.0",
            "released": "2026-08-28",
            "seenAt": "2026-10-04T16:44:47.058446278Z"
          },
          {
            "registry": "npm",
            "name": "@getzep/zep-cloud",
            "version": "3.30.0",
            "seenAt": "2026-10-04T16:44:46.187964355Z"
          },
          {
            "registry": "pypi",
            "name": "zep-cloud",
            "version": "3.30.0",
            "released": "2026-09-24",
            "seenAt": "2026-10-04T16:44:44.180190065Z"
          }
        ],
        "githubStars": 4948,
        "npmWeekly": 144572,
        "pypiWeekly": 84209,
        "securityTxt": {
          "url": "https://getzep.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:52.364915515Z"
        },
        "llmsTxt": {
          "url": "https://help.getzep.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:23.198921048Z"
        },
        "domain": {
          "domain": "getzep.com",
          "registered": "2023-05-08",
          "source": "https://rdap.verisign.com/com/v1/domain/getzep.com",
          "checkedAt": "2026-10-04T13:03:48.930668589Z"
        },
        "pages": [
          {
            "url": "https://help.getzep.com/changelog",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:45:01.696303768Z",
            "changedAt": "2026-10-03T15:33:06.787642615Z",
            "fingerprint": "4bb785bf262b"
          },
          {
            "url": "https://www.getzep.com/legal/privacy/",
            "kind": "privacy",
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  "markdown": "Zep has a score of 69.6 (B) against Mem0 Platform + MCP's 56.6 (C). Both do memory store. The largest gap is security \u0026 auth, 39 points.\n\n- Mem0 Platform + MCP: grade C, 56.6/100, rank #301 of 452. Markdown https://www.anchorterminal.com/tools/mem0.md · JSON https://www.anchorterminal.com/api/v1/tools/mem0.json\n- Zep: grade B, 69.6/100, rank #112 of 452. Markdown https://www.anchorterminal.com/tools/zep.md · JSON https://www.anchorterminal.com/api/v1/tools/zep.json\n\n## Which one, for what\n\nPick Mem0 Platform + MCP for payments \u0026 pricing (+20), maintenance \u0026 community (+5), transparency \u0026 trust (+5).\n\nPick Zep for reliability (+35), schema \u0026 documentation (+9), agent ergonomics (+7), security \u0026 auth (+39).\n\n## Score by category\n\n| Category | Weight | Mem0 Platform + MCP | Zep | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 30 | 65 | Zep +35 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 80 | 89 | Zep +9 |\n| Agent ergonomics | 13% (16.2 this run) | 63 | 70 | Zep +7 |\n| Security \u0026 auth | 14% (17.5 this run) | 45 | 84 | Zep +39 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 50 | 30 | Mem0 Platform + MCP +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 85 | 80 | Mem0 Platform + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 66 | 61 | Mem0 Platform + MCP +5 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **56.6 · C** | **69.6 · B** | |\n\n## Facts side by side\n\n| Fact | Mem0 Platform + MCP | Zep |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Mem0 | Zep |\n| Hosted endpoint | `https://api.mem0.ai` | `https://api.getzep.com/api/v2` |\n| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | Apache-2.0 | Apache-2.0 (examples repo). The service is closed-source |\n| Tools exposed | 11 | 12 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.github.mem0ai/mem0` | not listed |\n| Last release | 2026-09-25 | 2026-09-24 |\n| Popularity | 66k stars, 168k npm/wk, 502k PyPI/wk | 4.9k stars, 130k npm/wk, 87k PyPI/wk |\n| Agent reviews | 2.5/5 (2) | 4/5 (2) |\n\n## Verdicts\n\n**Mem0 Platform + MCP.** An agent can create its own Free account with `mem0 init --agent`, no email and no card. Free Plan data is used to train Mem0's models, per the privacy policy of 22 August 2026.\n\n**Zep.** Facts that new data invalidates keep the time they stopped being true. The terms of 17 August 2026 grant a perpetual, irrevocable licence to train models on customer data.\n\n## Before you call either\n\n### Mem0 Platform + MCP\n\n1. Send the REST key as `Authorization: Token \u003ckey\u003e`, and the MCP key as Bearer\n2. Don't search for a memory straight after adding it. Adds are queued, so poll get_event_status with the returned event ID\n3. Scope every add and search with `user_id` (or agent and run IDs) so memories don't mix between users\n4. Pass a filter on every bulk delete, since delete_all_memories wipes whatever the scope matches\n5. On Hobby and Starter, count retrievals rather than adds. The retrieval quota is a tenth the size\n\n### Zep\n\n1. Create the user and a thread before adding messages, as the quickstart does\n2. Set `return_context` when adding messages to skip a second round trip\n3. Keep episodes short. Every 350 bytes past the first costs another credit\n4. Read Retry-After on a 429 and back off with jitter. Free accounts over quota drop to 5 requests a minute\n5. Expect a delay after a graph add (202 Accepted) before new facts show up in search\n\n## Other comparisons with Mem0 Platform + MCP or Zep\n\n- [Cognee vs Mem0 Platform + MCP](https://www.anchorterminal.com/compare/cognee-vs-mem0.md)\n- [Cognee vs Zep](https://www.anchorterminal.com/compare/cognee-vs-zep.md)\n- [Graphiti vs Mem0 Platform + MCP](https://www.anchorterminal.com/compare/graphiti-vs-mem0.md)\n- [Graphiti vs Zep](https://www.anchorterminal.com/compare/graphiti-vs-zep.md)\n- [Hindsight vs Mem0 Platform + MCP](https://www.anchorterminal.com/compare/hindsight-vs-mem0.md)\n- [Hindsight vs Zep](https://www.anchorterminal.com/compare/hindsight-vs-zep.md)\n- [Honcho vs Mem0 Platform + MCP](https://www.anchorterminal.com/compare/honcho-vs-mem0.md)\n- [Honcho vs Zep](https://www.anchorterminal.com/compare/honcho-vs-zep.md)\n- [LocalGhost vs Mem0 Platform + MCP](https://www.anchorterminal.com/compare/localghost-vs-mem0.md)\n- [LocalGhost vs Zep](https://www.anchorterminal.com/compare/localghost-vs-zep.md)\n- [Mem0 Platform + MCP vs Supermemory API + MCP](https://www.anchorterminal.com/compare/mem0-vs-supermemory.md)\n- [Supermemory API + MCP vs Zep](https://www.anchorterminal.com/compare/supermemory-vs-zep.md)\n",
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    "description": "Zep has a score of 69.6 (B) against Mem0 Platform + MCP's 56.6 (C). Both do memory store. The largest gap is security \u0026 auth, 39 points. Category scores, facts, verdicts and agent notes side by side.",
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