Saju MCP vs Fojin — Buddhist Canon Tools
A side-by-side look at the Saju MCP and Fojin — Buddhist Canon Tools MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Saju MCP for spirituality & esoterica work as a local process; choose Fojin — Buddhist Canon Tools for spirituality & esoterica as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Saju MCP when
- You need dedicated capabilities in the Spirituality & Esoterica domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
SAJU_API_KEY, SAJU_API_BASE. - You want tools like
saju_calculate, saju_interpret, saju_compatibility.
Choose Fojin — Buddhist Canon Tools when
- You need dedicated capabilities in the Spirituality & Esoterica domain.
- You prefer a local stdio subprocess transport.
- You want tools like
search_corpus, read_passage, get_parallels.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Spirituality & Esoterica | Spirituality & Esoterica |
| Quality signal | 55/100 · Good | 64/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | SAJU_API_KEYSAJU_API_BASE | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 351 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 4 | 8 |
| Full listing | View Saju MCP | View Fojin — Buddhist Canon Tools |
Tools & capabilities
Saju MCP tools 4
saju_calculateCompute the Korean Four Pillars of Destiny (사주팔자 / Bazi) from a solar birthdate. Returns the year/month/day/hour pillars (heavenly stem + earthly branch, with hanja), the five-element distribution (wood/fire/earth/metal/water), the Day Master, and the zodiac animal.saju_interpretFull Saju interpretation from a solar birthdate: the Four Pillars plus Ten Gods (십신), hidden stems, life stages, interactions, Yongshin (용신 / useful god), Daeun (대운 / luck pillars), and human-readable summaries in the requested language.saju_compatibilityScore two-person compatibility (궁합) from 0–100 based on both people's Saju. Returns the overall score and a breakdown (element balance, Day Master relation, branch harmony, branch clash) plus each person's Day Master and zodiac.saju_dailyDaily fortune snapshot (0–100 score + advice) for a given Day Master and date. Provide the Day Master either as a Korean stem character (갑, 을, 병, 정, 무, 기, 경, 신, 임, 계) or an English alias (e.g. wood_yang, water_yin). The Day Master comes from a prior saju_calculate / saju_interpret call (day_master.stem).
Fojin — Buddhist Canon Tools tools 8
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).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.get_parallelsCross-canon parallel passages aligned to a fascicle. fojin's alignment moat: given a Chinese fascicle, returns the aligned Pali/Tibetan/Sanskrit parallels (each with its own `urn`) so you can compare how a passage is rendered across traditions.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`.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.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.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.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Saju MCP
{
"mcpServers": {
"saju-mcp": {
"command": "npx",
"args": [
"-y",
"saju-mcp"
],
"env": {
"SAJU_API_KEY": "YOUR_SAJU_API_KEY_HERE",
"SAJU_API_BASE": "YOUR_SAJU_API_BASE_HERE"
}
}
}
}
Fojin — Buddhist Canon Tools
{
"mcpServers": {
"fojin-buddhist-canon-tools": {
"command": "uvx",
"args": [
"fojin-mcp"
]
}
}
}
Frequently asked questions
Saju MCP is categorized under Spirituality & Esoterica and uses a local stdio subprocess. Fojin — Buddhist Canon Tools belongs to Spirituality & Esoterica and uses a local stdio subprocess. Pick Saju MCP for spirituality & esoterica work and Fojin — Buddhist Canon Tools for spirituality & esoterica.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Saju MCP has no declared pricing — check the project's own site. Fojin — Buddhist Canon Tools has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add saju-mcp and fojin-buddhist-canon-tools as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Saju MCP has a quality signal of 55/100 (Good) with 1 views, 0 installs and 0 GitHub stars. Fojin — Buddhist Canon Tools has 64/100 (Good) with 1 views, 0 installs and 351 GitHub stars.