Raw values for crossref-mcp-server in namespace io.github

io.github.cyanheads/crossref-mcp-server · Registry status: active

No name of its own reaches this register for this entry. The heading therefore carries the trailing segment of the identifier; the identifier itself is listed below as a coordinate.

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What the source declared verbatim, unchanged and uninterpreted. The derived values on the overview page are computed from these.

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
Description (raw)	Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API. Source: MCP-Register · collected on 2026-08-26 · self-declared 1 of 42,239 carry this value
Environment variables (raw)	CROSSREF_MAILTO, CROSSREF_BASE_URL, CROSSREF_TIMEOUT_MS, MCP_LOG_LEVEL, MCP_TRANSPORT_TYPE, CROSSREF_MAILTO, CROSSREF_BASE_URL, CROSSREF_TIMEOUT_MS, MCP_HTTP_HOST, MCP_HTTP_PORT, MCP_HTTP_ENDPOINT_PATH, MCP_AUTH_MODE, MCP_LOG_LEVEL Source: MCP-Register · collected on 2026-10-09 · self-declared 1 of 42,239 carry this value
Required secret variables (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared
Transports (raw)	stdio, streamable-http, streamable-http Source: MCP-Register · collected on 2026-09-20 · self-declared 150 of 42,239 carry this value
Path arguments (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared
Repository (raw)	https://github.com/cyanheads/crossref-mcp-server Source: MCP-Register · collected on 2026-08-06 · self-declared 1 of 42,239 carry this value
Package registries (raw)	npm, npm Source: MCP-Register · collected on 2026-08-06 · self-declared 258 of 42,239 carry this value
Required secret headers (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Path environment variables (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote URLs (raw)	https://crossref.caseyjhand.com/mcp Source: MCP-Register · collected on 2026-09-20 · self-declared 1 of 42,239 carry this value
Remote hosts (raw)	crossref.caseyjhand.com Source: MCP-Register · collected on 2026-09-20 · self-declared 1 of 42,239 carry this value
Registry status message (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
First listed in the registry (raw)	2026-10-08 Source: MCP-Register · collected on 2026-10-09 · self-declared 884 of 42,239 carry this value
Last changed in the registry (raw)	2026-10-08 Source: MCP-Register · collected on 2026-10-09 · self-declared 888 of 42,239 carry this value
Schema version of the raw record (raw)	https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared 39,194 of 42,239 carry this value
Delivery form (raw)	package and remote Source: MCP-Register · collected on 2026-09-20 · self-declared 2,081 of 42,239 carry this value
Repository platform (raw)	github Source: MCP-Register · collected on 2026-08-16 · self-declared 30,209 of 42,239 carry this value
Repository subfolder (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Package identifiers (raw)	@cyanheads/crossref-mcp-server Source: MCP-Register · collected on 2026-08-16 · self-declared 1 of 42,239 carry this value
Package versions (raw)	0.4.2 Source: MCP-Register · collected on 2026-10-09 · self-declared 71 of 42,239 carry this value
Runtime hints (raw)	npx Source: MCP-Register · collected on 2026-10-09 · self-declared 1,861 of 42,239 carry this value
Environment variable formats (raw)	string Source: MCP-Register · collected on 2026-08-16 · self-declared 4,195 of 42,239 carry this value
Environment variable descriptions (raw)	CROSSREF_BASE_URL=Override the Crossref API base URL. Defaults to https://api.crossref.org. · CROSSREF_MAILTO=Email for polite-pool User-Agent header — optional. Without: anonymous pool with stricter rate limits. · CROSSREF_TIMEOUT_MS=Per-request timeout in milliseconds. · MCP_AUTH_MODE=Authentication mode to use: 'none', 'jwt', or 'oauth'. · MCP_HTTP_ENDPOINT_PATH=The endpoint path for the MCP server. · MCP_HTTP_HOST=The hostname for the HTTP server. · MCP_HTTP_PORT=The port to run the HTTP server on. · MCP_LOG_LEVEL=Sets the minimum log level for output (e.g., 'debug', 'info', 'warn'). · MCP_TRANSPORT_TYPE=Selects the HTTP transport. Source: MCP-Register · collected on 2026-10-09 · self-declared 1 of 42,239 carry this value
Icon formats (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Connection paths (source structure)	{"packages":[{"registryType":"npm","identifier":"@cyanheads/crossref-mcp-server","version":"0.4.2","runtimeHint":"npx","transport":"stdio","environment":[{"name":"CROSSREF_MAILTO","description":"Email for polite-pool User-Agent header — optional. Without: anonymous pool with stricter rate limits.","format":"string","required":false,"secret":false},{"name":"CROSSREF_BASE_URL","description":"Override the Crossref API base URL. Defaults to https://api.crossref.org.","format":"string","required":false,"secret":false},{"name":"CROSSREF_TIMEOUT_MS","description":"Per-request timeout in milliseconds.","format":"string","required":false,"secret":false},{"name":"MCP_LOG_LEVEL","description":"Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').","format":"string","required":false,"secret":false}],"additional_arguments_declared":false},{"registryType":"npm","identifier":"@cyanheads/crossref-mcp-server","version":"0.4.2","runtimeHint":"npx","transport":"streamable-http","environment":[{"name":"MCP_TRANSPORT_TYPE","description":"Selects the HTTP transport.","format":"string","required":false,"secret":false},{"name":"CROSSREF_MAILTO","description":"Email for polite-pool User-Agent header — optional. Without: anonymous pool with stricter rate limits.","format":"string","required":false,"secret":false},{"name":"CROSSREF_BASE_URL","description":"Override the Crossref API base URL. Defaults to https://api.crossref.org.","format":"string","required":false,"secret":false},{"name":"CROSSREF_TIMEOUT_MS","description":"Per-request timeout in milliseconds.","format":"string","required":false,"secret":false},{"name":"MCP_HTTP_HOST","description":"The hostname for the HTTP server.","format":"string","required":false,"secret":false},{"name":"MCP_HTTP_PORT","description":"The port to run the HTTP server on.","format":"string","required":false,"secret":false},{"name":"MCP_HTTP_ENDPOINT_PATH","description":"The endpoint path for the MCP server.","format":"string","required":false,"secret":false},{"name":"MCP_AUTH_MODE","description":"Authentication mode to use: 'none', 'jwt', or 'oauth'.","format":"string","required":false,"secret":false},{"name":"MCP_LOG_LEVEL","description":"Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').","format":"string","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[{"url":"https://crossref.caseyjhand.com/mcp","transport":"streamable-http","headers":[]}]} Source: MCP-Register · collected on 2026-10-09 · self-declared 1 of 42,239 carry this value

Position within the directory

How many of the 42,239 published entries carry the same measured value. A reference figure, not an assessment.

Required secrets declaredno36,126 of 42,239 carry this value (86 %)View these entries
Execution locationlocal17,143 of 42,239 carry this value (41 %)View these entries
Path argument presentno41,736 of 42,239 carry this value (99 %)View these entries
Repository URL listedyes30,309 of 42,239 carry this value (72 %)View these entries

All 4 values together are carried by 12,199 of 42,239 entries.

tracevero · https://tracevero.com/mcp/io-github-cyanheads-crossref-mcp-server/rohangaben