@wheelofheaven/mcp

mcp.wheelofheaven.world

Read-only MCP server for the Wheel of Heaven corpus. It wraps the static JSON API at api.wheelofheaven.world so AI agents can search and retrieve the corpus with full epistemic metadata (claim types, editorial passes, citations).

Design rationale and tool-surface spec: .claude/plans/strategy-mcp-server.md in the org .claude repo.

Endpoints

• /mcp — Streamable HTTP (canonical)
• /sse — legacy SSE transport
• / — server info (JSON)

Tools

Fact layer — source-grounded data, no interpretation applied:

Tool	Purpose
search_corpus	Fuzzy full-text search over wiki, timeline, library books, articles, and news (~290 documents; token-AND with OR fallback)
get_entry	One wiki/timeline/articles/news entry as markdown with claim_type, editorial_pass, typed related-content edges, and canonical citation URLs; 9-language support via lang
get_passage	A chapter of a digitized primary source text as numbered paragraphs with stable reference IDs (e.g. GEN-1:26); ref filters to one verse
get_source	Bibliography lookup by stable ID or search — every record carries the source-program classification (family, stance, relation), critical sources included
compare_traditions	Rows from the comparative datasets: flood-myths, divine-council-index, theomachy-crossrefs, world-ages, prophets-and-religions
query_graph	Typed 1-hop ego network of any corpus node (see_also, in_body, cites_source, same_tradition, same_age, comparison_of)

Interpretation layer — explicitly the project's own reading, labeled as such:

Tool	Purpose
get_interpretation	The Wheel of Heaven framework's reading of a topic (curated context documents, or the closest wiki entry), always carrying an interpretation-layer notice
get_method	The editorial methodology: claim-type taxonomy, six-source rule, editorial passes — how to weigh everything else

Meta:

Tool	Purpose
get_glossary_term	Core terminology with renderings in all 9 site languages (exact-id match first)

Resources: the six /v1/context/* narrative documents (woh://context/{overview,hypothesis,terminology,timeline,sources,method}) plus woh://llms.txt.

Development

npm install
npm run dev        # wrangler dev on :8787
npm run typecheck
npm run deploy     # wrangler deploy (needs Cloudflare auth)

The server is stateless over the upstream API: every tool call fetches api.wheelofheaven.world/v1/…, with the ~600 KB search corpus cached in-memory per isolate for one hour (matching the API's edge-cache TTL).

Architecture

• Cloudflare Workers + agents SDK (McpAgent Durable Object)
• src/server.ts — transport-agnostic tool registration (reused by the future npm stdio build)
• src/api.ts — /v1/ client + search-corpus cache
• src/html.ts — deterministic body_html → markdown conversion

Related repositories

• api.wheelofheaven.world — the static JSON API this server wraps
• www.wheelofheaven.world — the human-facing site
• core — the research corpus (claim model; get_claim lands here in v2)

License

CC0-1.0 — like the corpus itself.