{
  "data": {
    "a": {
      "slug": "enrich-layer",
      "name": "Enrich Layer API + MCP",
      "vendor": "Enrich Layer",
      "vendorUrl": "https://enrichlayer.com",
      "kind": "http-api",
      "category": "lead-data",
      "summary": "Professional profile, company, job, school and contact lookups with person and company search, built on the old Proxycurl endpoint set after Proxycurl shut down in July 2025.",
      "url": "https://www.anchorterminal.com/tools/enrich-layer",
      "markdownUrl": "https://www.anchorterminal.com/tools/enrich-layer.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/enrich-layer.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/enrich-layer.json",
      "repo": "https://github.com/enrichlayer/mcp-server",
      "license": "MIT",
      "transports": [
        "http",
        "stdio"
      ],
      "remoteUrl": "https://enrichlayer.com/api/v2",
      "packages": [
        {
          "registry": "npm",
          "name": "@enrichlayer/mcp-server"
        }
      ],
      "auth": "api-key",
      "authNotes": "Bearer API key in the Authorization header, one secret key per user from the dashboard. The MCP server reads ENRICH_LAYER_API_KEY from the environment.",
      "pricing": "usage",
      "pricingNotes": "500 free credits at sign-up. Pay-as-you-go packs from $10 for 100 credits ($0.10 a credit) to $1,000 for 46,297 ($0.0216), and credits don't expire unless the account is idle for 18 months. Annual plans from Starter at $588 a year (35,000 credits plus 5,000 bonus) to Ultra at $22,788 a year. A person or company profile costs 1 credit, a work email 3, person search 3 per result, and premium fields and live fetches add more (https://enrichlayer.com/pricing).",
      "priceSummary": "$0.10 / credit",
      "where": "both",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 25,
      "popularity": {
        "githubStars": 0,
        "npmWeekly": 26,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://enrichlayer.com/docs",
      "llmsTxt": "https://enrichlayer.com/llms.txt",
      "openapi": "https://enrichlayer.com/docs/api/v2/openapi.yaml",
      "capabilities": [
        "lead.search",
        "lead.enrichment",
        "email.finder",
        "data.person",
        "data.company"
      ],
      "tags": [
        "hosted",
        "no-card",
        "mcp",
        "llms-txt",
        "openapi",
        "webhooks",
        "typescript",
        "lead-search",
        "enrichment"
      ],
      "lastRelease": "2026-06-19",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 56,
        "grade": "C",
        "agentReady": false,
        "rank": 309,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 68,
          "maintenance": 26,
          "payments": 40,
          "reliability": 65,
          "schema": 76,
          "security": 40,
          "transparency": 61
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Pay-as-you-go credits from $10, non-expiring unless idle for 18 months. Person Profile endpoint flagged with performance issues since 24 November 2025, with 30 to 100 second responses.",
        "strengths": [
          "Pay-as-you-go credits from $10, non-expiring unless idle for 18 months",
          "500 free credits with no card, per the 30 September check",
          "OpenAPI 3.0 spec, and MCP tool schemas checked against it in CI",
          "All 25 MCP tools carry readOnlyHint",
          "Status page with a component per API group"
        ],
        "weaknesses": [
          "Person Profile endpoint flagged with performance issues since 24 November 2025, with 30 to 100 second responses",
          "Trial accounts limited to 2 requests a minute until the first top-up",
          "No security.txt, disclosure policy, bug bounty or certification",
          "No public changelog, and no MCP release since June 2026",
          "Privacy policy lists data brokers among sources and gives no retention periods"
        ],
        "agentNotes": [
          "Top up once before testing. Trial keys run at 2 requests a minute",
          "Set the person profile timeout to at least 100 seconds",
          "Ask for `extra`, personal emails or phone numbers only when needed, since each adds credits",
          "Use `callback_url` on slow lookups such as work email instead of holding the connection",
          "Map old Proxycurl paths with the transition guide rather than guessing"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "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
          }
        ],
        "editorialScores": {
          "ergonomics": 68,
          "maintenance": 26,
          "payments": 40,
          "reliability": 65,
          "schema": 76,
          "security": 40,
          "transparency": 53
        },
        "provenanceScore": 68
      },
      "connect": {
        "http": "curl -G https://enrichlayer.com/api/v2/credit-balance -H \"Authorization: Bearer $ENRICH_LAYER_API_KEY\"",
        "claudeCode": "claude mcp add enrich-layer -e ENRICH_LAYER_API_KEY=$ENRICH_LAYER_API_KEY -- npx -y @enrichlayer/mcp-server",
        "config": {
          "mcpServers": {
            "enrich-layer": {
              "args": [
                "-y",
                "@enrichlayer/mcp-server"
              ],
              "command": "npx",
              "env": {
                "ENRICH_LAYER_API_KEY": "${ENRICH_LAYER_API_KEY}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/lead.search",
        "tool": "https://letme.dev/enrich-layer"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Credit, $10 pack",
          "unit": "credit",
          "usd": 0.1,
          "note": "100 credits; one credit buys a person or company profile"
        },
        {
          "item": "Credit, $1,000 pack",
          "unit": "credit",
          "usd": 0.0216,
          "note": "46,297 credits"
        },
        {
          "item": "Starter plan",
          "unit": "month",
          "usd": 49,
          "note": "billed yearly at $588, 35,000 credits a year plus 5,000 bonus"
        },
        {
          "item": "Growth plan",
          "unit": "month",
          "usd": 299,
          "note": "billed yearly at $3,588, 350,000 credits a year plus 50,000 bonus"
        }
      ],
      "provenance": {
        "legalEntity": "Vertical Int, Inc.",
        "domain": "enrichlayer.com",
        "domainRegistered": "2025-04-05",
        "endpointOnVendorDomain": true,
        "terms": "https://enrichlayer.com/terms-of-use",
        "privacy": "https://enrichlayer.com/privacy-policy",
        "statusPage": "https://status.enrichlayer.com",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "Domain registered in April 2025, three months before Proxycurl shut down. The terms name Vertical Int, Inc. (Wyoming) with an address in Orinda, California, and don't mention Nubela or Proxycurl."
        ],
        "score": 68
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/enrich-layer.json",
      "live": {
        "slug": "enrich-layer",
        "probe": {
          "target": "https://enrichlayer.com/api/v2",
          "method": "get",
          "lastAt": "2026-10-05T01:43:36.995025088Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 220,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 233,
          "p95ms24h": 413,
          "samples24h": 272,
          "samples30d": 1122,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 20,
              "ok": 20
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.enrichlayer.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:00.066104114Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "@enrichlayer/mcp-server",
            "version": "0.3.0",
            "seenAt": "2026-10-04T16:26:32.605133107Z"
          }
        ],
        "githubStars": 0,
        "npmWeekly": 28,
        "securityTxt": {
          "url": "https://enrichlayer.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:52.313180845Z"
        },
        "llmsTxt": {
          "url": "https://enrichlayer.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:45.113397809Z"
        },
        "domain": {
          "domain": "enrichlayer.com",
          "registered": "2025-04-05",
          "source": "https://rdap.verisign.com/com/v1/domain/enrichlayer.com",
          "checkedAt": "2026-10-04T13:09:29.714451174Z"
        },
        "pages": [
          {
            "url": "https://nubela.co/blog/goodbye-proxycurl/",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-04T15:46:17.3070239Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "22a06342f70c"
          },
          {
            "url": "https://enrichlayer.com/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:30.538712762Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "853a126d8a25"
          },
          {
            "url": "https://enrichlayer.com/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:32.826060616Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "fa71969716ac"
          },
          {
            "url": "https://enrichlayer.com/terms-of-use",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:44:34.873549699Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "9f3c494aa3cb"
          }
        ],
        "updatedAt": "2026-10-05T01:43:36.995025088Z"
      }
    },
    "b": {
      "slug": "hunter",
      "name": "Hunter API + MCP",
      "vendor": "Hunter",
      "vendorUrl": "https://hunter.io",
      "kind": "http-api",
      "category": "lead-data",
      "summary": "Email finder, email verifier, domain search, company discovery and person and company enrichment over a REST API, plus a hosted MCP server that also drives Hunter's leads, lists and cold-email sequences.",
      "url": "https://www.anchorterminal.com/tools/hunter",
      "markdownUrl": "https://www.anchorterminal.com/tools/hunter.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/hunter.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/hunter.json",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.hunter.io/v2",
      "packages": [],
      "auth": "mixed",
      "authNotes": "REST takes the key in the `X-API-Key` header (the `?api_key=` query form still works but puts the key in logs). Hosted MCP at mcp.hunter.io uses OAuth for Claude, ChatGPT and Gemini, or the same `X-API-Key` header for other clients. A `test-api-key` returns dummy responses on Domain Search, Email Finder and Email Verifier.",
      "pricing": "freemium",
      "pricingNotes": "Free plan with 50 credits a month and API access. Starter $49 a month ($34 billed yearly, 2,000 credits), Growth $149 ($104 yearly, 10,000 credits), Scale $299 ($209 yearly, 25,000 credits), Enterprise custom. One credit per email found by Email Finder or Domain Search (Bulk Domain Search is 1 credit per 10 emails), 0.5 per verification, nothing when no result comes back, and repeat lookups count once per billing period. Discover (company search) and Email Count are free. An API-only Data Platform sells search and verification credits in bulk, valid 12 months (https://hunter.io/pricing).",
      "priceSummary": "$49 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 mention in the API docs, MCP docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 107,
      "popularity": {
        "githubStars": 9,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://hunter.io/api-documentation/v2",
      "llmsTxt": "https://hunter.io/llms.txt",
      "openapi": "https://hunter.io/openapi.json",
      "capabilities": [
        "email.finder",
        "email.verification",
        "lead.search",
        "lead.enrichment",
        "data.company",
        "data.person"
      ],
      "tags": [
        "lead-search",
        "enrichment",
        "email-verification",
        "hosted",
        "freemium",
        "no-card",
        "mcp",
        "llms-txt",
        "openapi",
        "webhooks",
        "closed-source"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 56.8,
        "grade": "C",
        "agentReady": false,
        "rank": 299,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 6,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 54,
          "maintenance": 63,
          "payments": 40,
          "reliability": 50,
          "schema": 90,
          "security": 33,
          "transparency": 81
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Returns 451 for people who asked not to be processed. Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode.",
        "strengths": [
          "Returns 451 for people who asked not to be processed",
          "Privacy policy names its sources, cites a legitimate interest assessment and DPIA, and hosts in Belgium",
          "Free plan with API and MCP access, no card",
          "Charges only when an email is found or a verification completes, and repeats in a billing period are free",
          "OpenAPI JSON, llms.txt, llms-full.txt and a test key with dummy responses"
        ],
        "weaknesses": [
          "Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode",
          "API key accepted in the `api_key` query string",
          "Rate limits answer 403 and quota exhaustion answers 429",
          "No security page, security.txt, bug bounty or certification found",
          "Status page renders client-side and its history couldn't be read"
        ],
        "agentNotes": [
          "Treat 451 as final. The person opted out and retrying won't help",
          "Back off on 403 with a rate-limit message. 429 means the plan's credits are gone",
          "Send the key in `X-API-Key`, never as `?api_key=`",
          "Use `test-api-key` to check request shapes without spending credits",
          "Use the hosted MCP at mcp.hunter.io/mcp, not the deprecated local npm package"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 56.8
          }
        ],
        "editorialScores": {
          "ergonomics": 54,
          "maintenance": 63,
          "payments": 40,
          "reliability": 50,
          "schema": 90,
          "security": 33,
          "transparency": 71
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl \"https://api.hunter.io/v2/domain-search?domain=stripe.com\u0026limit=5\" -H \"X-API-Key: $HUNTER_API_KEY\"",
        "claudeCode": "claude mcp add --transport http hunter https://mcp.hunter.io/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/email.finder",
        "tool": "https://letme.dev/hunter"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Starter plan",
          "unit": "month",
          "usd": 49,
          "note": "2,000 credits. $34 a month billed yearly"
        },
        {
          "item": "Growth plan",
          "unit": "month",
          "usd": 149,
          "note": "10,000 credits. $104 a month billed yearly"
        },
        {
          "item": "Scale plan",
          "unit": "month",
          "usd": 299,
          "note": "25,000 credits. $209 a month billed yearly"
        },
        {
          "item": "Email found or verified",
          "unit": "credit",
          "usd": 0.0245,
          "note": "Starter monthly, $49 for 2,000 credits. One email found is 1 credit, one verification 0.5"
        }
      ],
      "provenance": {
        "legalEntity": "Hunter Web Services, Inc.",
        "domain": "hunter.io",
        "domainRegistered": "2012-08-24",
        "endpointOnVendorDomain": true,
        "terms": "https://hunter.io/terms-of-service",
        "privacy": "https://hunter.io/privacy-policy",
        "statusPage": "https://status.hunter.io",
        "changelog": "https://hunter.io/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "hunter.io served the pricing page in euros from our location. USD figures match the same numbers and third-party reports"
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/hunter.json",
      "live": {
        "slug": "hunter",
        "probe": {
          "target": "https://api.hunter.io/v2",
          "method": "get",
          "lastAt": "2026-10-05T01:43:39.093978004Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 99,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 92,
          "p95ms24h": 135,
          "samples24h": 272,
          "samples30d": 1122,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 20,
              "ok": 20
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.hunter.io",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-04T21:40:08.189558355Z"
        },
        "securityTxt": {
          "url": "https://hunter.io/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:47.758081123Z"
        },
        "llmsTxt": {
          "url": "https://hunter.io/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:54.111075632Z"
        },
        "domain": {
          "domain": "hunter.io",
          "checkedAt": "2026-10-04T13:05:34.738925095Z"
        },
        "pages": [
          {
            "url": "https://hunter.io/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:04.379576217Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "8a3a4a3fcf33"
          },
          {
            "url": "https://hunter.io/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:06.525611085Z",
            "changedAt": "2026-10-02T15:21:27.141507551Z",
            "fingerprint": "3d95f7cd7fad"
          },
          {
            "url": "https://hunter.io/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:08.468923808Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "ef0f54eb03ef"
          },
          {
            "url": "https://hunter.io/terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:45:10.456132191Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "400b04730d0b"
          }
        ],
        "updatedAt": "2026-10-05T01:43:39.093978004Z"
      }
    },
    "summary": "Hunter API + MCP has a score of 56.8 (C) against Enrich Layer API + MCP's 56 (C). Both do lead search. The largest gap is maintenance \u0026 community, 37 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/enrich-layer-vs-hunter",
    "json": "https://www.anchorterminal.com/compare/enrich-layer-vs-hunter.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/enrich-layer-vs-hunter.md",
    "slim": "https://www.anchorterminal.com/compare/enrich-layer-vs-hunter.min.md"
  },
  "markdown": "Hunter API + MCP has a score of 56.8 (C) against Enrich Layer API + MCP's 56 (C). Both do lead search. The largest gap is maintenance \u0026 community, 37 points.\n\n- Enrich Layer API + MCP: grade C, 56/100, rank #309 of 452. Markdown https://www.anchorterminal.com/tools/enrich-layer.md · JSON https://www.anchorterminal.com/api/v1/tools/enrich-layer.json\n- Hunter API + MCP: grade C, 56.8/100, rank #299 of 452. Markdown https://www.anchorterminal.com/tools/hunter.md · JSON https://www.anchorterminal.com/api/v1/tools/hunter.json\n\n## Which one, for what\n\nPick Enrich Layer API + MCP for reliability (+15), agent ergonomics (+14), security \u0026 auth (+7).\n\nPick Hunter API + MCP for schema \u0026 documentation (+14), maintenance \u0026 community (+37), transparency \u0026 trust (+20).\n\n## Score by category\n\n| Category | Weight | Enrich Layer API + MCP | Hunter API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 50 | Enrich Layer API + MCP +15 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 76 | 90 | Hunter API + MCP +14 |\n| Agent ergonomics | 13% (16.2 this run) | 68 | 54 | Enrich Layer API + MCP +14 |\n| Security \u0026 auth | 14% (17.5 this run) | 40 | 33 | Enrich Layer API + MCP +7 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 40 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 26 | 63 | Hunter API + MCP +37 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 61 | 81 | Hunter API + MCP +20 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **56 · C** | **56.8 · C** | |\n\n## Facts side by side\n\n| Fact | Enrich Layer API + MCP | Hunter API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Enrich Layer | Hunter |\n| Hosted endpoint | `https://enrichlayer.com/api/v2` | `https://api.hunter.io/v2` |\n| Transports | HTTP, stdio | HTTP, Streamable HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Pay per use | Freemium |\n| x402 | no | no |\n| Licence | MIT | none |\n| Tools exposed | 25 | 107 |\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 | not listed | not listed |\n| Last release | 2026-06-19 | none |\n| Popularity | 0 stars, 26 npm/wk | 9 stars |\n| Agent reviews | 3/5 (2) | 3/5 (2) |\n\n## Verdicts\n\n**Enrich Layer API + MCP.** Pay-as-you-go credits from $10, non-expiring unless idle for 18 months. Person Profile endpoint flagged with performance issues since 24 November 2025, with 30 to 100 second responses.\n\n**Hunter API + MCP.** Returns 451 for people who asked not to be processed. Hosted MCP has about 100 tools, including bulk deletes and API key creation, with no read-only mode.\n\n## Before you call either\n\n### Enrich Layer API + MCP\n\n1. Top up once before testing. Trial keys run at 2 requests a minute\n2. Set the person profile timeout to at least 100 seconds\n3. Ask for `extra`, personal emails or phone numbers only when needed, since each adds credits\n4. Use `callback_url` on slow lookups such as work email instead of holding the connection\n5. Map old Proxycurl paths with the transition guide rather than guessing\n\n### Hunter API + MCP\n\n1. Treat 451 as final. The person opted out and retrying won't help\n2. Back off on 403 with a rate-limit message. 429 means the plan's credits are gone\n3. Send the key in `X-API-Key`, never as `?api_key=`\n4. Use `test-api-key` to check request shapes without spending credits\n5. Use the hosted MCP at mcp.hunter.io/mcp, not the deprecated local npm package\n\n## Other comparisons with Enrich Layer API + MCP or Hunter API + MCP\n\n- [Apollo API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/apollo-vs-enrich-layer.md)\n- [Apollo API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/apollo-vs-hunter.md)\n- [Coresignal API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-enrich-layer.md)\n- [Coresignal API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/coresignal-vs-hunter.md)\n- [Crustdata API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/crustdata-vs-enrich-layer.md)\n- [Crustdata API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/crustdata-vs-hunter.md)\n- [Enrich Layer API + MCP vs FullEnrich API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-fullenrich.md)\n- [Enrich Layer API + MCP vs LeadMagic API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-leadmagic.md)\n- [Enrich Layer API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-lusha.md)\n- [Enrich Layer API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/enrich-layer-vs-prospeo.md)\n- [FullEnrich API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/fullenrich-vs-hunter.md)\n- [Dropcontact API + MCP vs Enrich Layer API + MCP](https://www.anchorterminal.com/compare/dropcontact-vs-enrich-layer.md)\n- [Dropcontact API + MCP vs Hunter API + MCP](https://www.anchorterminal.com/compare/dropcontact-vs-hunter.md)\n- [Hunter API + MCP vs LeadMagic API + MCP](https://www.anchorterminal.com/compare/hunter-vs-leadmagic.md)\n- [Hunter API + MCP vs Lusha API + MCP](https://www.anchorterminal.com/compare/hunter-vs-lusha.md)\n- [Hunter API + MCP vs Prospeo API + MCP](https://www.anchorterminal.com/compare/hunter-vs-prospeo.md)\n",
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      {
        "name": "Enrich Layer API + MCP vs Hunter API + MCP",
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    "description": "Hunter API + MCP has a score of 56.8 (C) against Enrich Layer API + MCP's 56 (C). Both do lead search. The largest gap is maintenance \u0026 community, 37 points. Category scores, facts, verdicts and agent notes side by side.",
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    "title": "Enrich Layer API + MCP vs Hunter API + MCP for AI agents",
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