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

io.github.cyanheads/libofcongress-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)	Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings. Source: MCP-Register · collected on 2026-08-26 · self-declared 1 of 41,867 carry this value
Environment variables (raw)	LOC_USER_AGENT, LOC_REQUEST_DELAY_MS, MCP_LOG_LEVEL, MCP_SESSION_MODE, MCP_TRANSPORT_TYPE, LOC_USER_AGENT, LOC_REQUEST_DELAY_MS, MCP_HTTP_HOST, MCP_HTTP_PORT, MCP_HTTP_ENDPOINT_PATH, MCP_AUTH_MODE, MCP_LOG_LEVEL, MCP_SESSION_MODE Source: MCP-Register · collected on 2026-10-08 · self-declared 1 of 41,867 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 148 of 41,867 carry this value
Path arguments (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared
Repository (raw)	https://github.com/cyanheads/libofcongress-mcp-server Source: MCP-Register · collected on 2026-08-06 · self-declared 1 of 41,867 carry this value
Package registries (raw)	npm, npm Source: MCP-Register · collected on 2026-08-06 · self-declared 258 of 41,867 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://libofcongress.caseyjhand.com/mcp Source: MCP-Register · collected on 2026-09-20 · self-declared 1 of 41,867 carry this value
Remote hosts (raw)	libofcongress.caseyjhand.com Source: MCP-Register · collected on 2026-09-20 · self-declared 1 of 41,867 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)	2026-10-07 Source: MCP-Register · collected on 2026-10-08 · self-declared 898 of 41,867 carry this value
Last changed in the registry (raw)	2026-10-07 Source: MCP-Register · collected on 2026-10-08 · self-declared 900 of 41,867 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 38,828 of 41,867 carry this value
Delivery form (raw)	package and remote Source: MCP-Register · collected on 2026-09-20 · self-declared 2,067 of 41,867 carry this value
Repository platform (raw)	github Source: MCP-Register · collected on 2026-08-16 · self-declared 30,022 of 41,867 carry this value
Repository subfolder (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Package identifiers (raw)	@cyanheads/libofcongress-mcp-server Source: MCP-Register · collected on 2026-08-16 · self-declared 1 of 41,867 carry this value
Package versions (raw)	0.3.1 Source: MCP-Register · collected on 2026-10-08 · self-declared 176 of 41,867 carry this value
Runtime hints (raw)	npx Source: MCP-Register · collected on 2026-10-08 · self-declared 1,837 of 41,867 carry this value
Environment variable formats (raw)	string Source: MCP-Register · collected on 2026-08-16 · self-declared 4,176 of 41,867 carry this value
Environment variable descriptions (raw)	LOC_REQUEST_DELAY_MS=Delay in milliseconds between LOC API requests to stay under the 20 req/min rate limit. · LOC_USER_AGENT=User-Agent header sent with LOC API requests. LOC recommends a descriptive value for polite access. · 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_SESSION_MODE=HTTP session mode: auto, stateful, or stateless. · MCP_TRANSPORT_TYPE=Selects the HTTP transport. Source: MCP-Register · collected on 2026-10-08 · self-declared 1 of 41,867 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/libofcongress-mcp-server","version":"0.3.1","runtimeHint":"npx","transport":"stdio","environment":[{"name":"LOC_USER_AGENT","description":"User-Agent header sent with LOC API requests. LOC recommends a descriptive value for polite access.","format":"string","required":false,"secret":false},{"name":"LOC_REQUEST_DELAY_MS","description":"Delay in milliseconds between LOC API requests to stay under the 20 req/min rate limit.","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},{"name":"MCP_SESSION_MODE","description":"HTTP session mode: auto, stateful, or stateless.","format":"string","required":false,"secret":false}],"additional_arguments_declared":false},{"registryType":"npm","identifier":"@cyanheads/libofcongress-mcp-server","version":"0.3.1","runtimeHint":"npx","transport":"streamable-http","environment":[{"name":"MCP_TRANSPORT_TYPE","description":"Selects the HTTP transport.","format":"string","required":false,"secret":false},{"name":"LOC_USER_AGENT","description":"User-Agent header sent with LOC API requests. LOC recommends a descriptive value for polite access.","format":"string","required":false,"secret":false},{"name":"LOC_REQUEST_DELAY_MS","description":"Delay in milliseconds between LOC API requests to stay under the 20 req/min rate limit.","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},{"name":"MCP_SESSION_MODE","description":"HTTP session mode: auto, stateful, or stateless.","format":"string","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[{"url":"https://libofcongress.caseyjhand.com/mcp","transport":"streamable-http","headers":[]}]} Source: MCP-Register · collected on 2026-10-08 · self-declared 1 of 41,867 carry this value

Position within the directory

How many of the 41,867 published entries carry the same measured value. A reference figure, not an assessment.

Required secrets declaredno35,800 of 41,867 carry this value (86 %)View these entries
Execution locationlocal17,056 of 41,867 carry this value (41 %)View these entries
Path argument presentno41,369 of 41,867 carry this value (99 %)View these entries
Repository URL listedyes30,107 of 41,867 carry this value (72 %)View these entries
Field of use, derived from the vendor descriptionText recognition137 of 41,867 carry this value (0.3 %)View these entries

All 5 values together are carried by 49 of 41,867 entries.

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