---
bezeichner: "io.github.jtl-neo/crossref-mcp"
art: "mcp_server"
slug: "io-github-jtl-neo-crossref-mcp"
paketkoordinate: "pypi:crossref-mcp"
status: "aktiv"
homepage: "https://github.com/jtl-neo/crossref-api-MCP"
erhebungsstand: "2026-10-11T01:17:01.851Z"
namensraum: "io.github.jtl-neo"
registerseite: "https://tracevero.com/mcp/io-github-jtl-neo-crossref-mcp"
abgerufen_am: "2026-10-11"
zugangsdaten_erforderlich: false
ausfuehrungsort: "lokal"
dateisystem_pfadargument: false
quelloffen_einsehbar: true
roh_beschreibung: "MCP server wrapping the Crossref REST API for scholarly metadata."
version: "0.1.0"
roh_umgebungsvariablen: "CROSSREF_MAILTO, CROSSREF_PLUS_TOKEN, CROSSREF_MAILTO, CROSSREF_PLUS_TOKEN, MCP_API_KEY"
roh_geheime_pflichtvariablen: ""
roh_transportarten: "stdio, stdio"
roh_pfadargumente: ""
roh_repository_url: "https://github.com/jtl-neo/crossref-api-MCP"
roh_paketquellen: "oci, pypi"
roh_geheime_pflichtkopfzeilen: ""
roh_pfad_umgebungsvariablen: ""
roh_remote_adressen: ""
roh_remote_hosts: ""
roh_statusmeldung: ""
roh_veroeffentlicht_am: "2026-06-03"
roh_aktualisiert_am: "2026-06-03"
roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"
roh_bereitstellungsform: "paket"
roh_repository_quelle: "github"
roh_repository_unterordner: ""
roh_paketbezeichner: "crossref-mcp, docker.io/heyinnaneo/crossref-mcp:0.1.0"
roh_paketversionen: "0.1.0"
roh_laufzeithinweise: ""
roh_umgebungsformate: ""
roh_umgebungsbeschreibungen: "CROSSREF_MAILTO=Email for Crossref's polite pool (recommended). · CROSSREF_PLUS_TOKEN=Optional Crossref Plus API token. · MCP_API_KEY=Optional X-API-Key for HTTP transport."
roh_symbolformate: ""
roh_verbindungswege: "{\"packages\":[{\"registryType\":\"pypi\",\"identifier\":\"crossref-mcp\",\"version\":\"0.1.0\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CROSSREF_MAILTO\",\"description\":\"Email for Crossref's polite pool (recommended).\",\"required\":false,\"secret\":false},{\"name\":\"CROSSREF_PLUS_TOKEN\",\"description\":\"Optional Crossref Plus API token.\",\"required\":false,\"secret\":true}],\"additional_arguments_declared\":false},{\"registryType\":\"oci\",\"identifier\":\"docker.io/heyinnaneo/crossref-mcp:0.1.0\",\"transport\":\"stdio\",\"environment\":[{\"name\":\"CROSSREF_MAILTO\",\"description\":\"Email for Crossref's polite pool (recommended).\",\"required\":false,\"secret\":false},{\"name\":\"CROSSREF_PLUS_TOKEN\",\"description\":\"Optional Crossref Plus API token.\",\"required\":false,\"secret\":true},{\"name\":\"MCP_API_KEY\",\"description\":\"Optional X-API-Key for HTTP transport.\",\"required\":false,\"secret\":true}],\"additional_arguments_declared\":false}],\"remotes\":[]}"
---

# io.github.jtl-neo/crossref-mcp

## Measured values

| Property | Value | Source | Collected on | Level of trust | Raw declaration |
| --- | --- | --- | --- | --- | --- |
| Required secrets declared | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: |
| Execution location | lokal | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: stdio, stdio |
| Path argument present | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: |
| Repository URL listed | true | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: https://github.com/jtl-neo/crossref-api-MCP |
| Description (raw) | MCP server wrapping the Crossref REST API for scholarly metadata. | MCP-Register | 2026-08-26T16:45:01.514Z | selbstauskunft |  |
| Declared version | 0.1.0 | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Environment variables (raw) | CROSSREF_MAILTO, CROSSREF_PLUS_TOKEN, CROSSREF_MAILTO, CROSSREF_PLUS_TOKEN, MCP_API_KEY | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret variables (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Transports (raw) | stdio, stdio | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Path arguments (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Repository (raw) | https://github.com/jtl-neo/crossref-api-MCP | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Package registries (raw) | oci, pypi | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret headers (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Path environment variables (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote URLs (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote hosts (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Registry status message (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| First listed in the registry (raw) | 2026-06-03 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Last changed in the registry (raw) | 2026-06-03 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Delivery form (raw) | paket | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository platform (raw) | github | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository subfolder (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package identifiers (raw) | crossref-mcp, docker.io/heyinnaneo/crossref-mcp:0.1.0 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package versions (raw) | 0.1.0 | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Runtime hints (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable descriptions (raw) | CROSSREF_MAILTO=Email for Crossref's polite pool (recommended). · CROSSREF_PLUS_TOKEN=Optional Crossref Plus API token. · MCP_API_KEY=Optional X-API-Key for HTTP transport. | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Icon formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Connection paths (source structure) | {"packages":[{"registryType":"pypi","identifier":"crossref-mcp","version":"0.1.0","transport":"stdio","environment":[{"name":"CROSSREF_MAILTO","description":"Email for Crossref's polite pool (recommended).","required":false,"secret":false},{"name":"CROSSREF_PLUS_TOKEN","description":"Optional Crossref Plus API token.","required":false,"secret":true}],"additional_arguments_declared":false},{"registryType":"oci","identifier":"docker.io/heyinnaneo/crossref-mcp:0.1.0","transport":"stdio","environment":[{"name":"CROSSREF_MAILTO","description":"Email for Crossref's polite pool (recommended).","required":false,"secret":false},{"name":"CROSSREF_PLUS_TOKEN","description":"Optional Crossref Plus API token.","required":false,"secret":true},{"name":"MCP_API_KEY","description":"Optional X-API-Key for HTTP transport.","required":false,"secret":true}],"additional_arguments_declared":false}],"remotes":[]} | MCP-Register | 2026-09-08T01:17:01.649Z | selbstauskunft |  |

## Links

- Namespace: [[namensraum/io-github-jtl-neo|io.github.jtl-neo]]

---

- Registry page: <https://tracevero.com/mcp/io-github-jtl-neo-crossref-mcp>
- Retrieved on: 2026-10-11