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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "crossref-doi-metadata": {
      "type": "http",
      "url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "headers": {
        "Authorization": "Bearer ${CROSSREF_DOI_METADATA_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http crossref-doi-metadata https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata --header "Authorization: Bearer ${CROSSREF_DOI_METADATA_TOKEN}"

[mcp_servers.crossref-doi-metadata]
url = "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
bearer_token_env_var = "CROSSREF_DOI_METADATA_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "crossref-doi-metadata": {
      "type": "remote",
      "url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:CROSSREF_DOI_METADATA_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "crossref-doi-metadata": {
      "type": "http",
      "url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "headers": {
        "Authorization": "Bearer ${CROSSREF_DOI_METADATA_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=crossref-doi-metadata&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmFwaWZ5LmNvbS8%2FdG9vbHM9aGVybWVza2QvY3Jvc3NyZWYtZG9pLW1ldGFkYXRhIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7Q1JPU1NSRUZfRE9JX01FVEFEQVRBX1RPS0VOfSJ9fQ%3D%3D"
}

{
  "servers": {
    "crossref-doi-metadata": {
      "type": "http",
      "url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "headers": {
        "Authorization": "Bearer ${CROSSREF_DOI_METADATA_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "crossref-doi-metadata": {
      "httpUrl": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "headers": {
        "Authorization": "Bearer ${CROSSREF_DOI_METADATA_TOKEN}"
      }
    }
  }
}

extensions:
  "crossref-doi-metadata":
    enabled: true
    name: "crossref-doi-metadata"
    type: streamable_http
    uri: "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
    headers:
      "Authorization": "Bearer ${CROSSREF_DOI_METADATA_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${CROSSREF_DOI_METADATA_TOKEN}. The registry never accepts secret values.

Quality 88 / 100good

protocol88 · weight 25

pass
protocol.modernsupports 2026-07-28 (server/discover)
pass
protocol.statelessanswers without a session
pass
protocol.transportstreamable HTTP
warn
protocol.list_ttltools/list carries no ttlMs, so clients re-fetch it

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

Tool list unknown · checked 2026-11-07 16:55 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 80 / 100

no-repository

provenance45

liveness100

freshness100

hygiene80

+website +reachable +uptime-100% +updated-5d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata` streamable-http	none	yes	100%	63 ms	2026-07-28	2026-11-07

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

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Official server.json

{
  "name": "io.github.kriton-dev/crossref-doi-metadata",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "apifyActor": "hermeskd/crossref-doi-metadata",
      "storeTitle": "Crossref DOI Lookup — Titles, Venues, Dates & Citation Counts",
      "storeDescription": "Crossref DOI lookup: Publication titles, venues, dates and citation counts. $0.0013 per DOI resolved; start extra; usage included; failed results uncharged."
    }
  },
  "title": "Crossref DOI Lookup — Titles, Venues, Dates & Citation Counts",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional: 'Bearer <your Apify API token>'. MCP clients that support OAuth can sign in to Apify instead. Runs are billed to your Apify account at the pay-per-event prices on the Actor's store page."
        }
      ]
    }
  ],
  "version": "1.0.5",
  "websiteUrl": "https://apify.com/hermeskd/crossref-doi-metadata",
  "description": "Resolve DOI identifiers to Crossref titles, venues, dates and citation counts for reference checks."
}