generated: '2026-08-14'
method: generated
source: >-
  Packaged Agent Skills generated from the Plinth Grants API OpenAPI 3.1
  (openapi/plinth-us-grants-data-openapi.json) plus the provider's published documentation at
  https://data.useplinth.com/developers and /developers/schema. Every step is grounded in an
  operationId verified verbatim in the spec; cross-cutting rules cite ../conventions/, ../errors/,
  ../authentication/, ../rate-limits/, ../plans/ and ../data-model/.
provider_published_skills:
  found: false
  probed:
    - {url: 'https://data.useplinth.com/llms.txt', status: 200, note: 'Real llms.txt, but it lists pages and citation rules — no skills and no AGENTS.md.'}
    - {url: 'https://github.com/useplinth', status: 200, note: 'Empty organization, 0 public repos — no AGENTS.md or skills to harvest.'}
  note: >-
    Plinth publishes no Agent Skills or AGENTS.md of its own. The four below are generated by this
    pipeline from the provider's own contract and documentation.
editorial_note: >-
  These skills are unusually caveat-heavy on purpose. The dominant failure mode with this API is not
  a failed call — it is a call that succeeds and returns a number that means something other than
  what the agent thinks. Plinth publishes those failure modes itself; the skills carry them.
skills:
  - file: plinth-us-grants-data-resolve-an-organization.md
    name: Resolve an organization name to an EIN
    api: openapi/plinth-us-grants-data-openapi.json
    operations: [searchOrganizations]
    auth: none
    cost: free (unmetered)
  - file: plinth-us-grants-data-profile-a-funder.md
    name: Profile a grantmaking foundation
    api: openapi/plinth-us-grants-data-openapi.json
    operations: [searchOrganizations, getCompliance, getPremier, getGrantsSummary, listRecipients]
    auth: api-key
    cost: 4 keyed calls
  - file: plinth-us-grants-data-who-funds-this-nonprofit.md
    name: Find who funds a nonprofit
    api: openapi/plinth-us-grants-data-openapi.json
    operations: [searchOrganizations, listFunders, getGrantsSummary, listGrants]
    auth: api-key
    cost: 2-3 keyed calls
  - file: plinth-us-grants-data-query-the-warehouse.md
    name: Query the grants warehouse with SQL
    api: openapi/plinth-us-grants-data-openapi.json
    operations: [runSql, searchOrganizations]
    auth: api-key (paid plan required)
    cost: 1 keyed call per query