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io.github.nirajagarwal/bible-mcp

io.github.nirajagarwal/bible-mcpnirajagarwalstreamable-httpv0.14.1Scanned

Bible corpus MCP server: scripture, Greek/Hebrew interlinear data, cross-refs, semantic search.

16 tools: 2 change things and 14 only read.

Tools: 0 delete, 0 irreversible, 2 write, 14 read.
  • Reads private data · 0
  • Reads text others write · 1
  • Can send data out · 0
  • No findings

Tools listed without sign-in. Remote posture

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2 of these tools change something. Run those as governed actions.

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Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

16 tools

Changes things 2Claude Code: ask
  • corpus_infoWhat's in the corpus: documents, layers, licenses, and counts.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    What's in the corpus: documents, layers, licenses, and counts.
  • word_studyOriginal-language word study across the whole Bible.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Original-language word study across the whole Bible. Query by Strong's number ('G26', 'H2617', zero-padding optional — 'H953' works), lemma (pointed or unpointed: 'חֶסֶד' or 'חסד', accented or bare Greek), Hebrew/Aramaic transliteration ('miqweh' finds מִקְוֶה, macrons optional), or English gloss ('lovingkindness'). Returns occurrence counts, gloss range, book distribution, a full scholarly lexicon entry for the top-matching word (BDB and/or Strong's for Hebrew/Aramaic, Abbott-Smith for Greek, when available — richer than the gloss, truncated to ~700 chars), and sample verses. NOTE: homographs are split by letter-suffixed Strong's variants (e.g. H4723 'hope' vs H4723a 'gathering of waters' — same written form) — when a gloss range looks too narrow for a word you suspect is richer, probe the lettered variants; the output lists every variant lemma it finds under your query. Gloss-keyed queries match substrings and may conflate lemmas — prefer Strong's or lemma queries for exact counts. language optional: grc | hbo | arc.
Only reads 14Show 14 read-only tools
  • compare_versionsShow a verse or short range in both BSB and WEB side by side.Reads text others writeNo findings

    Why it is in this group

    • The name "compare_versions" says "compare": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "show" and "web": it reads web pages, which anyone can write.
    Description, as the server wrote it
    Show a verse or short range in both BSB and WEB side by side.
  • concepts_in_passageList theological concepts and lexical keywords linked to a verse or chapter via the OT+NT concept graph (seeded from Easton's Bible Dictionary), e.g.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List theological concepts and lexical keywords linked to a verse or chapter via the OT+NT concept graph (seeded from Easton's Bible Dictionary), e.g. 'Genesis 14' or 'John 3:16'. Complements entities_in_passage (people/places/ events) with abstract themes and keyword nodes.
  • entities_in_passageList the people, places, and events linked to a verse or chapter, e.g.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List the people, places, and events linked to a verse or chapter, e.g. 'Genesis 14' or 'John 3:16'.
  • find_similarFind passages semantically similar to a given verse or prose paragraph ref — across scripture, Apocrypha, and the classics.No findings

    Why it is in this group

    • The name "find_similar" says "find": a word for reading.
    Description, as the server wrote it
    Find passages semantically similar to a given verse or prose paragraph ref — across scripture, Apocrypha, and the classics. E.g. 'Philippians 2:7' or 'JULIAN.27.2'. Powers parallel-finding across corpus layers.
  • get_citationsWhere a Bible verse is cited by name in the patristic corpus, extracted from the translators' own footnotes (tier 1).No findings

    Why it is in this group

    • The name "get_citations" says "get": a word for reading.
    Description, as the server wrote it
    Where a Bible verse is cited by name in the patristic corpus, extracted from the translators' own footnotes (tier 1). E.g. reference='Ephesians 5:21'. Complements get_cross_references, which links scripture to scripture; this links patristic text to scripture. COVERAGE NOTE: footnote extraction has known recall gaps — an empty result is normal and does NOT mean the verse is uncited; full-text `search` within the patristic works is the thorough probe (verbatim quotations are regularly found that the footnote index missed).
  • get_conceptLook up a theological concept or lexical keyword in the OT+NT concept graph (5,673 nodes seeded from Easton's Bible Dictionary — see DESIGN.md #5).No findings

    Why it is in this group

    • The name "get_concept" says "get": a word for reading.
    Description, as the server wrote it
    Look up a theological concept or lexical keyword in the OT+NT concept graph (5,673 nodes seeded from Easton's Bible Dictionary — see DESIGN.md #5). Returns its definition (with a pointer to the full Easton entry), verse anchors, and entities that instantiate it (e.g. Abraham for Covenant). concept_type optional: theme | keyword. A Strong's number ('G225') also resolves directly to its keyword node. For typed relations to OTHER concepts (broader/narrower/ causes/part_of/symbol_of/fulfills/associated), use get_concept_relations(name).
  • get_concept_relationsTyped relations for a concept in the OT+NT concept graph: broader/narrower (taxonomy), causes, part_of, symbol_of, fulfills, contrasts — ~430 edges, hand-reviewed against cited evi…No findings

    Why it is in this group

    • The name "get_concept_relations" says "get": a word for reading.
    Description, as the server wrote it
    Typed relations for a concept in the OT+NT concept graph: broader/narrower (taxonomy), causes, part_of, symbol_of, fulfills, contrasts — ~430 edges, hand-reviewed against cited evidence (Phase 5/6, weight>=10 only, see DESIGN.md #5). Excludes the much larger 'associated' fallback tier by default (~139,000 mechanical shared-evidence edges, unreviewed) — pass verb='associated' to include it. verb optional: restrict to one verb (broader | narrower | causes | part_of | symbol_of | fulfills | contrasts | associated).
  • get_cross_referencesCross-references for a verse (OpenBible.info, ranked by community votes), with the target text included.No findings

    Why it is in this group

    • The name "get_cross_references" says "get": a word for reading.
    Description, as the server wrote it
    Cross-references for a verse (OpenBible.info, ranked by community votes), with the target text included. E.g. reference='Romans 5:12'.
  • get_entityLook up a biblical person, place, event, or people group by name (Theographic knowledge graph).No findings

    Why it is in this group

    • The name "get_entity" says "get": a word for reading.
    Description, as the server wrote it
    Look up a biblical person, place, event, or people group by name (Theographic knowledge graph). Returns details and where they appear. entity_type optional: person | place | event | people_group.
  • get_interlinearWord-by-word original language for a verse or short range: surface form, lemma, Strong's, gloss, morphology (Hebrew/Aramaic OT, Greek NT).No findings

    Why it is in this group

    • The name "get_interlinear" says "get": a word for reading.
    Description, as the server wrote it
    Word-by-word original language for a verse or short range: surface form, lemma, Strong's, gloss, morphology (Hebrew/Aramaic OT, Greek NT). For OT verses also shows Septuagint Greek surface text where available (Swete edition — Genesis-Malachi plus Apocrypha, Theodotion Daniel/Susanna/Bel; no lemma/Strong's/ morphology in that source, surface form only). E.g. 'John 1:1' or 'Genesis 1:1-3'.
  • get_passageGet Bible text for a reference like 'John 3:16', 'John 3:16-18', 'Genesis 1', or 'Tobit 4:5' (Apocrypha requires version='WEB').No findings

    Why it is in this group

    • The name "get_passage" says "get": a word for reading.
    Description, as the server wrote it
    Get Bible text for a reference like 'John 3:16', 'John 3:16-18', 'Genesis 1', or 'Tobit 4:5' (Apocrypha requires version='WEB'). Versions: BSB, WEB.
  • read_workRead a prose work from the corpus by paragraph range.No findings

    Why it is in this group

    • The name "read_work" says "read": a word for reading.
    Description, as the server wrote it
    Read a prose work from the corpus by paragraph range. Works: CONFESSIONS (Augustine), IMITATION (à Kempis), PILGRIM (Bunyan), PRESENCE (Brother Lawrence), JULIAN (Julian of Norwich), ORTHODOXY (Chesterton), 1CLEMENT (Clement of Rome), BARNABAS (Epistle of Barnabas). Chapters = books/chapters of the work; use search(version=<WORK>) to find passages first, or corpus_info() for the full list.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write1
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Remote posture

What anyone on the internet sees at the remote endpoint: an anonymous initialize and tools/list, and the public OAuth metadata.

Tools listed without sign-in

Looked at Oct 22, 2026, 15:03 UTC, unchanged since Oct 22, 2026. No credentials were sent and no tool was called. What is looked at.

Reachable
yes
HTTP status of an anonymous initialize
200
tools/list served without credentials
yes
Tools that change things, listed without credentials
2
Protocol version
2025-06-18
WWW-Authenticate on 401
not observed
resource_metadata in WWW-Authenticate
not observed
RFC 9728 protected resource metadata
not observed
Authorization servers
not observed
Legacy HTTP+SSE transport
no
Dynamic client registration
not observed
Client ID metadata documents
not observed
  • WarnThe whole server

    The endpoint served tools/list without credentials, and the list has 2 tools that change things (2 write). Whether a call also works without credentials was not tested: tools are never called.

    Matched text

    https://bible-mcp-server.fly.dev/mcp: tools/list returned 16 tools to an anonymous client, including word_study (write), corpus_info (write)

    What this check looks for

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 0.14.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http bible https://bible-mcp-server.fly.dev/mcp
claude mcp add --transport http bible https://bible-mcp-server.fly.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__bible__get_passage",
      "mcp__bible__search",
      "mcp__bible__get_cross_references",
      "mcp__bible__get_entity",
      "mcp__bible__entities_in_passage",
      "mcp__bible__get_concept",
      "mcp__bible__concepts_in_passage",
      "mcp__bible__get_concept_relations",
      "mcp__bible__compare_versions",
      "mcp__bible__get_interlinear",
      "mcp__bible__read_work",
      "mcp__bible__semantic_search",
      "mcp__bible__find_similar",
      "mcp__bible__get_citations"
    ],
    "ask": [
      "mcp__bible__word_study",
      "mcp__bible__corpus_info"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as bible. Review it before you use it.

Capability tags behind 1 rule
  • mcp__bible__compare_versions untrusted-input

Pin

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/io.github.nirajagarwal/bible-mcp/verify?hash=5525be0c4c4befbd7c3087452ba94acd402914570ed76a4c2a32810b8901e496" | jq -e '.changed == false'

Pinned hash 5525be0c4c4b, from Oct 21, 2026, 19:25 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/io.github.nirajagarwal/bible-mcp/changes.xml

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Source: MCP Registry · repository. Synced Oct 21, 2026, 18:42 UTC.