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fojin — Buddhist Canon Tools

R0· no sign-in

Buddhist canon tools: search, passages, cross-canon parallels, dictionaries — all URN-cited.

v0.4.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality83good
Trust92of 100
Uptime, 30 days95%
Latency p50667 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "fojin-mcp": {
      "type": "http",
      "url": "https://mcp.fojin.ai/mcp"
    }
  }
}
claude mcp add --transport http fojin-mcp https://mcp.fojin.ai/mcp
[mcp_servers.fojin-mcp]
url = "https://mcp.fojin.ai/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "fojin-mcp": {
      "type": "remote",
      "url": "https://mcp.fojin.ai/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "fojin-mcp": {
      "type": "http",
      "url": "https://mcp.fojin.ai/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=fojin-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmZvamluLmFpL21jcCJ9"
}
{
  "servers": {
    "fojin-mcp": {
      "type": "http",
      "url": "https://mcp.fojin.ai/mcp"
    }
  }
}
{
  "mcpServers": {
    "fojin-mcp": {
      "httpUrl": "https://mcp.fojin.ai/mcp"
    }
  }
}
extensions:
  "fojin-mcp":
    enabled: true
    name: "fojin-mcp"
    type: streamable_http
    uri: "https://mcp.fojin.ai/mcp"
    timeout: 300

Quality 83 / 100good

protocol88 · weight 25
  • pass
    protocol.modernsupports 2026-07-28 (server/discover)
  • pass
    protocol.statelessanswers without a session
  • pass
    protocol.transportstreamable HTTP
  • warn
    protocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every use
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: lookup_dictionary (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); verify_quote (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); commentaries (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,290 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

8 tools, about 1,290 tokens to load them all · tool set ac3ed42ec175 · checked 2026-10-19 16:20 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 92 / 100

provenance85
liveness98
freshness85
hygiene100

+repository +dns-namespace +website +reachable +uptime-95% ~updated-70d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.fojin.ai/mcp streamable-httpnoneyes95%667 ms2026-07-282026-10-19

Tools (8)

commentariesWhat the historical commentators said about a passage of Buddhist scripture. Give a line of a sūtra and get back the classical commentaries that gloss it — each with the commentator's own words, the work it comes from, a quality tier, and a resolvable citation. This is the layer no other tool exposes for the Chinese canon: CBETA marks up almost none of it, and the alignment behind this was derived text by text. Two things to read carefully rather than skim. `total` is how many commentators the passage actually has — `truncated` says the list you got is a sample. And coverage is partial: roughly half of what a commentator wrote is not aligned, so an absent commentator means "not in the data", never "he said nothing". When nothing matches, `available_sutras` tells you which sūtras have data at all — do not read a miss as silence from the tradition.
get_parallelsCross-canon parallel passages aligned to a fascicle. fojin's alignment moat: given a Chinese fascicle, returns the aligned Pali/Tibetan/Sanskrit parallels so you can compare how a passage is rendered across traditions. A fascicle returns parallels for the *whole* juan — often hundreds. To narrow them to one passage, match the passage against `source_chunks[].text` and keep the parallels whose `aligns_source_chunk` equals that chunk_index. `urn` is filled for parallels that are fojin works; rows with `source="mitra-parallel"` are inline Skt/Tib sentences with no fojin work to cite, so they carry `original_preview` instead and stay `urn: null`.
lookup_dictionaryLook up a Buddhist term across fojin's dictionaries (748K+ entries).
lookup_entitySearch fojin's knowledge graph for entities — people, places, works, doctrinal terms — matching `query`.
read_passageRead the full content of one fascicle (卷) of a text, with its `urn`. Use the `text_id`/`juan_num` from a search_corpus hit. Returns the actual canonical text — quote from this, not from memory.
resolve_urnResolve a fojin URN (e.g. fojin:cbeta/T0001.1) to a reader URL and confirm it exists in the corpus. Use to verify or dereference a citation.
search_corpusSemantic search across fojin's Buddhist corpus (10K+ texts, 30+ langs). Returns the most relevant passages, each with a `urn`, title, snippet and similarity score. `lang` optionally filters by language code (lzh=Classical Chinese, pi=Pali, sa=Sanskrit, bo=Tibetan, en=English).
verify_quoteVerify that a Buddhist-canon quote exists VERBATIM in the corpus. Call this before presenting any quoted scripture to a reader: LLMs routinely invent plausible-looking quotes. Returns `verbatim` (bool), where it was found (`matches`, each with a resolvable `urn`), or the closest near-miss window when it wasn't. `cite` optionally narrows the search — a CBETA id ("T0374") or fojin URN ("fojin:cbeta/T0374.13") — and `cite_matched` reports honestly whether the quote is where you claimed (a hit in a different fascicle does NOT confirm your citation). Quote must be ≥4 CJK chars after normalisation; Classical Chinese only. Short quotes are answered but say less: a four-character phrase recurs across the canon, so read `cite_matched` rather than `verbatim`, and check `matches_capped` before treating the list as complete. Each match carries an absolute `reader_url` — cite that, not a reconstructed third-party link.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "app.fojin/fojin-mcp",
  "title": "fojin — Buddhist Canon Tools",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.fojin.ai/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.4.0",
  "repository": {
    "url": "https://github.com/xr843/fojin",
    "source": "github"
  },
  "websiteUrl": "https://fojin.app",
  "description": "Buddhist canon tools: search, passages, cross-canon parallels, dictionaries — all URN-cited."
}