A2A Agent Card Manifest (Pipeline Artifact)

This is the JSON Schema for the `a2a-manifest` artifact the API Evangelist enrichment pipeline writes into every provider repository. Every artifact carries provenance (generated, method, source), and any method other than `none` must hold a finding. It is generated from one table in the pipeline and used to validate artifacts at write time, in the enrichment prompt, and as a publishing gate.

Schema

#JSON Schema #Pipeline #Artifacts

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MCP tools for schema

6 tools reach this content

find_building_blocksBrowse every schema entry — call it with type="schema".
get_building_blockOne schema entry in full; add include=content for the body (Pro).
search_api_evangelistSearch every content type across the network at once.
find_relatedThe shared-tag relevance graph — what else covers this.
get_tagEverything one tag labels, across all content types.
guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.

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This schema

curl "https://api.apievangelist.com/v1/schema/pipeline-a2a-manifest"

Full body (Pro)

curl "https://api.apievangelist.com/v1/schema/pipeline-a2a-manifest?include=content" \
  -H "x-api-key: $AE_KEY"

Related across the network

curl "https://api.apievangelist.com/v1/schema/pipeline-a2a-manifest/related"

All schema

curl "https://api.apievangelist.com/v1/schema?limit=25"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

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A2A Agent Card Manifest (Pipeline Artifact)

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