Library of Congress · Capability

Library of Congress loc.gov JSON API — Search

Library of Congress loc.gov JSON API — Search. 1 operations. Lead operation: Search loc.gov. Self-contained Naftiko capability covering one Library Of Congress business surface.

Run with Naftiko Library Of CongressSearch

What You Can Do

GET
Searchall — Search loc.gov
/v1/search

MCP Tools

search-loc-gov

Search loc.gov

read-only idempotent

Capability Spec

loc-gov-json-search.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: Library of Congress loc.gov JSON API — Search
  description: 'Library of Congress loc.gov JSON API — Search. 1 operations. Lead operation: Search loc.gov. Self-contained
    Naftiko capability covering one Library Of Congress business surface.'
  tags:
  - Library Of Congress
  - Search
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    LIBRARY_OF_CONGRESS_API_KEY: LIBRARY_OF_CONGRESS_API_KEY
capability:
  consumes:
  - type: http
    namespace: loc-gov-json-search
    baseUri: https://www.loc.gov
    description: Library of Congress loc.gov JSON API — Search business capability. Self-contained, no shared references.
    resources:
    - name: search
      path: /search/
      operations:
      - name: searchall
        method: GET
        description: Search loc.gov
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: q
          in: query
          type: string
          description: Search query string.
        - name: fo
          in: query
          type: string
          description: Response format (json or yaml).
        - name: c
          in: query
          type: integer
          description: Number of results per page.
        - name: sp
          in: query
          type: integer
          description: Page number of results.
        - name: at
          in: query
          type: string
          description: Limit response to specified attributes (comma-separated).
  exposes:
  - type: rest
    namespace: loc-gov-json-search-rest
    port: 8080
    description: REST adapter for Library of Congress loc.gov JSON API — Search. One Spectral-compliant resource per consumed
      operation, prefixed with /v1.
    resources:
    - path: /v1/search
      name: search
      description: REST surface for search.
      operations:
      - method: GET
        name: searchall
        description: Search loc.gov
        call: loc-gov-json-search.searchall
        with:
          q: rest.q
          fo: rest.fo
          c: rest.c
          sp: rest.sp
          at: rest.at
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: loc-gov-json-search-mcp
    port: 9090
    transport: http
    description: MCP adapter for Library of Congress loc.gov JSON API — Search. One tool per consumed operation, routed inline
      through this capability's consumes block.
    tools:
    - name: search-loc-gov
      description: Search loc.gov
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: loc-gov-json-search.searchall
      with:
        q: tools.q
        fo: tools.fo
        c: tools.c
        sp: tools.sp
        at: tools.at
      outputParameters:
      - type: object
        mapping: $.