study.vela/corpus

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Read-only MCP access to Vela's corpus of human experience: cited passages, coordinates, reading path

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "corpus": {
      "url": "https://vela.study/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (10)

• vela.corpus.query read-only

  Ask the corpus by COORDINATE rather than keyword. Filter works by axis weights (e.g. religion ∈ {T,s} AND work ∈ {T,s} returns the God-and-Work source set across genres), controlled themes, qualities/emotions, genre, and free text. Returns card metadata: the one-line claim, themes, coordinates, qualities. FREE and read-only. [capability: library-extraction-cards · mirrors: POST /api/corpus/query]

  Parameters:

  • axes — object — Axis → allowed weights. ALL listed axes must match. e.g. {"religion":["T","s"],"work":["T","s"]}
  • text — string — Substring match over title / author / one-line claim.
  • genre — string
  • limit — integer
  • topic — string — Coordinate system to query (topic_configs.slug).
  • offset — integer
  • themes — array — Cards citing ANY of these controlled themes.
  • qualities — array — Cards carrying ANY of these qualities (emotions, for being-human).
  • include_passages — boolean — Include theme-anchored passage pointers.

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.library.reading_list read-only

  The reading list an emotion or theme page shows: books with one-line claims and a short attributed passage (≤300 chars). Exactly one of emotion or theme. FREE and read-only. Every url carries ?ref=mcp for citation arrival measurement. [capability: library-extraction-cards · mirrors: GET /api/corpus/reading-list]

  Parameters:

  • limit — integer
  • theme — string — Controlled theme slug (e.g. desire). Mutually exclusive with emotion.
  • emotion — string — Emotion primary slug (e.g. grief). Mutually exclusive with theme.

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.corpus.list_topics read-only

  List the coordinate systems the corpus can be queried through — each with its thesis, axes, and controlled vocabularies. Call this before vela.corpus.query to learn what axes and themes exist. FREE and read-only. [capability: topic-coordinate-systems · mirrors: GET /api/corpus/topics]

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.corpus.describe_topic read-only

  Describe ONE topic in full — its axes and their operative definitions, its complete controlled theme and quality vocabularies, plus the vocabulary actually IN USE across the corpus with counts. The declared vocabulary and the used vocabulary are different facts; this returns both. FREE and read-only. [capability: topic-coordinate-systems · mirrors: GET /api/corpus/topics/:slug]

  Parameters:

  • topic — string

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.corpus.ground_claim read-only

  Ground a claim in the corpus: hybrid semantic + theme retrieval over real passages, returning citations with source, passage code, scores, and a SHORT snippet. Use to check whether the corpus supports, complicates or is silent on an assertion. COSTS a small amount (one embedding per call). [capability: corpus-ingestion-dual-grade · mirrors: internal — lib/audit/retrieve.ts]

  Parameters:

  • claim (required) — string — The claim to ground.
  • limit — integer

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.corpus.witness read-only

  Literary Witness Rail (ASN-1577): return passages and one-line claims from Vela's 762-work corpus that illuminate the given themes and/or emotions. Designed for frame-family profile pages — PersonFrame × ProblemFrame × ConditionFrame — to add an inside-out layer (what writers who lived this say) alongside the outside-in portrait the frame join produces. Results carry evidence_grade 'T1' (single-extractor) until PRN-282 lands. FREE for claims; costs one embedding for the passage path. [capability: literary-witness · mirrors: GET /api/vela/witness]

  Parameters:

  • axes — object — Axis weight filters for claims only — same format as vela.corpus.query (e.g. {work:["T","s"]}).
  • themes — array — Controlled themes from Vela's vocabulary (e.g. 'fairness', 'recognition').
  • emotions — array — Emotions to match (e.g. 'shame', 'betrayal', 'grief'). At least one of themes or emotions is required.
  • max_claims — integer — Max one-line claims to return (default 3).
  • max_passages — integer — Max passages to return (default 5).
  • problem_slug — string — ProblemFrame entity slug (echoed in response; reserved for frame_tags[] pre-cache after PA-1153 ID-freeze).
  • condition_slug — string — ConditionFrame entity slug (same reservation as problem_slug).

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.magazine.sequence_path read-only

  Ask what this magazine would actually give a reader who said they wanted these things. Returns the REAL sequenced path with the rationale for each piece — the same core the anonymous intake calls, not a preview. Read-only: writes nothing and records no signal. [capability: adaptive-magazine-engine · mirrors: POST /api/magazine/start-path]

  Parameters:

  • forms — array — Article forms to steer by. At least one of emotions/forms is required.
  • limit — integer — Pieces to return (default 4).
  • emotions — array — Emotions the reader is steering by.
  • property — string — Property id; defaults to vela.

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.magazine.relation_floor read-only

  Whether a magazine's corpus can support the adaptive promise its pages render. Reports, per property, each relational dimension's fill AND its separating power — a field present on every piece with one distinct value carries no information, so fill rate alone is misleading. Read-only. [capability: adaptive-magazine-engine · mirrors: npm run magazine:relation-floor]

  Parameters:

  • property — string — Restrict to one property id; omit for every property with published pieces.

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.research.list_studies read-only

  List FieldStation research ideas as a library-kit DiscoveryDTO. Each card is a study we can support, not a running participant surface. The honesty gate (limitations, readiness, doNotClaim) is enforced by research:catalog-check — this tool publishes that same file. FREE and read-only. Presence is gated; truth is not. [capability: study-catalogue · mirrors: GET /api/research/studies]

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

• vela.research.get_study read-only

  One FieldStation study as a library-kit ProfileDTO plus the raw StudyRecord. Unknown id is an error. FREE and read-only. [capability: study-catalogue · mirrors: GET /api/research/studies/:id]

  Parameters:

  • id (required) — string — Catalogue id, e.g. S-01.

  Hints: read-only yes · destructive no · idempotent not declared · open-world no

Publisher website Repository

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.