MCP server
Narrowhighway Concordance Official
com.narrowhighway/concordance
Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools
Deterministic claim verification with receipts across ~60 domains. No model in the loop.
Working at last checkVerified publisher: narrowhighway.comAbout 17,117 tokens per request once connected102 tools
https://narrowhighway.com/mcp
At a glance
- Type
- MCP server
- Publisher
- narrowhighway.com (verified by the MCP Registry)
- Status
- Working at last check
- Tools
- 102
- Token cost
- About 17,117 tokens per request
- Sets up in
- Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
- Last checked
- 26 Oct 2026, 08:29 UTC
Connect it to your agent
Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.
Claude Code
claude mcp add --transport http concordance https://narrowhighway.com/mcp
Claude Desktop
Settings → Connectors → Add custom connector, and paste the URL.
Codex (config.toml)
[mcp_servers.concordance] url = "https://narrowhighway.com/mcp"
Gemini CLI
{"mcpServers":{"concordance":{"httpUrl":"https://narrowhighway.com/mcp"}}}
Cursor
{"mcpServers":{"concordance":{"url":"https://narrowhighway.com/mcp"}}}
VS Code
{"servers":{"concordance":{"type":"http","url":"https://narrowhighway.com/mcp"}}}
Antigravity
agy mcp add concordance https://narrowhighway.com/mcp
ChatGPT
Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.
OpenAI API (Responses tools)
{"type":"mcp","server_label":"concordance","server_url":"https://narrowhighway.com/mcp","require_approval":"always"}
Grok (xAI API tools)
{"type":"mcp","server_label":"concordance","server_url":"https://narrowhighway.com/mcp"}
Tools
ask~211 tokens
[WALK · door] Bring anything — a question, a claim to check, a word to study, or what is actually on your mind. The engine discerns what KIND of thing you brought and answers in kind: it finds and verifies, and declines rather than guessing. This is also the door: if what you ask turns toward God, tattest_record~237 tokens
[CHECK · internal] Bind your identity to a record you already hold — phase 2 of the sovereign flow. Do the thing unsigned (badges_issue, study_export, group_contribute), take the returned content_hash, sign THAT hash with your own key on your own machine, and submit only the attestation {alg, over,audit~225 tokens
[CHECK · door] Audit a whole text: deterministic extractors find every checkable quantitative claim (sums, percentages, hourly/annual pay, compound interest, rule-of-72, elapsed years, day-of-week, leap years, nutrition labels), the engine verifies the lot, and ONE sealed coverage report returns — pbackmatter~142 tokens
[WORD · internal] Back-matter reference tables: weights_measures, names_of_god, parables, miracles, book_intros, topical_index. Disputes carried (a cubit's two lengths, a book's two datings), refs verified against the corpus, names of God carry Strong's numbers that open in word_study. Pass table fobadges_issue~141 tokens
[KEEP · internal] Issue a badge over already-sealed checks — a re-checkable receipt that points at N seals that STILL STAND. States EXACTLY N; NEVER a competency claim.badges_verify~97 tokens
[KEEP · internal] Re-check a badge from the store — re-verifies every seal it references and returns the count that still stands (N recomputed, not trusted).bible_places~164 tokens
[WORD · internal] The Atlas — biblical places with REAL coordinates, honestly held: located places carry lat/lon (cross-checked against an independent gazetteer); disputed sites (Mount Sinai, Cana, Golgotha) NAME their candidates instead of planting one flag; unlocatable places (Eden, Emmaus, Tarshicalendar_create~293 tokens
[KEEP · internal] Create ONE event in a human's calendar — the pilot on-behalf write, and the only one. Requires a LIVE consent grant: the human signed a scoped, expiring calendar_write grant for YOUR key fingerprint on their own device (GET /consent/signable → sign locally → POST /consent). Withoutcandidate_commit~488 tokens
[CHECK · internal] Candidate Engine step 1 — commit a COMPLETE raw candidate set BEFORE any evaluation. Give the query, the generator, the method, and EVERY raw candidate; weights ride verbatim as UNTRUSTED metadata (proposal_weight is never confidence and never ranks anything). Returns the committecandidate_get~128 tokens
[CHECK · internal] Fetch a sealed candidate record (a narrowing receipt or a commitment anchor) by its content hash — the whole preserved path, losers included, re-checkable offline with tools/verify_seal.py. The seal proves process integrity, never truth.candidate_narrow~546 tokens
[CHECK · internal] Candidate Engine step 2 — narrow a COMMITTED set: verifiers are assigned under the fixed pre-registered routing policy (never your choice — that is what stops verification shopping), each routed claim runs through the deterministic moat, unroutable claims stay quarantined (held, ncanon~140 tokens
[WORD · internal] The canon as concentric layers — the undisputed 66 that all major traditions share, plus the books held BEYOND it by particular traditions, each framed on its own layer and never merged. REPORTS who holds what with the history; does not judge which canon is correct. Pass book for ocapabilities~136 tokens
[FIND · plumbing] The live capability statement: what this engine can verify, what tools and endpoints exist, how large the keeping is, and where its boundaries are. Every count is computed at call time and carries a 'means' line defining exactly what was counted — never a hand-maintained number. Recard_connections~76 tokens
[FIND · internal] Cards related to one card — its explicit links + same-shelf siblings.card_get~69 tokens
[FIND · door] Fetch one card (the full record) from the keeping by id.cards_browseBrowses the web · ~116 tokens
[FIND · internal] Browse the keeping — paginated, optional shelf filter. Returns card briefs.cards_stats~54 tokens
[FIND · internal] Counts over the keeping — total, by shelf, by surface.character_get~100 tokens
[WORD · internal] A Bible figure from Easton's Bible Dictionary (1897, PD) — summary + every verse that speaks of them (found + attributed; category tag is imperfect).characters_browseBrowses the web · ~106 tokens
[WORD · internal] Browse/search Easton's Bible Dictionary (people, places, terms).coach_guidance~62 tokens
[WALK · internal] Coach — what it does and the boundary it will not cross (never grades a child).coach_mastery~104 tokens
[WALK · internal] Coach — seal an HONEST INTEGER count of completed units (a receipt for progress, never a grade on the child). Returns a re-checkable seal.coach_next~108 tokens
[WALK · door] Coach — the next lesson in a subject, deterministically. Omit `after` for the first unit; pass a unit id for the one that follows it. `subject` selects the path.coach_overview~98 tokens
[WALK · internal] Coach (K-3 tutor) — one subject's whole path: unit count, tracks, ordered unit briefs. ?subject= selects the path (default 'read'). Verbatim; never generated.coach_recommend~124 tokens
[WALK · internal] Coach — adaptive 'what's next' in a subject: given completed unit ids, the next lesson whose prerequisites are met (grows with the student). Found, never generated.coach_subjects~82 tokens
[WALK · internal] Coach — the subjects a learner can study (read / mcguffey / aesop / founding / pilgrims / es / …), each with its unit count. 'read' is the door in.coach_unit~92 tokens
[WALK · internal] Coach — one unit, VERBATIM as authored (rule, examples, decodable sentence, checks).commentary~106 tokens
[WORD · internal] Public-domain, attributed commentary (Matthew Henry) on a reference — the commentator's own words, found and cited, never generated.commons_read~120 tokens
[KEEP · internal] What the fellowship has put on the commons — promoted member work, newest first. Every card is a member's own work at the `member` tier: the library amplified it; the library did not verify it.consent_check~224 tokens
[KEEP · internal] Check whether a human has authorized YOU (this agent's key fingerprint) for a named verb — the agent covenant's 'request human authorization before writes'. Speaking as YOURSELF (your own key, your own words) needs no consent: a member is not a proxy. Consent governs only acting oncross_references~97 tokens
[WORD · door] Verses connected to a reference by SHARED original words (Strong's) — the dots, connected; deterministic and found, ranked by shared-word count.curate~340 tokens
[KEEP · internal] A recorded act on one drop: `promoted` · `refused` · `withdrawn`. A name AND a reason are always required — no anonymous judgement, and a refusal without a reason teaches the community nothing. WHO MAY ACT: promoting or refusing needs the steward `token` (these decide what the wholcurate_queue~72 tokens
[KEEP · internal] What waits on a HUMAN steward. The counter never promotes; it only decides when a person must look.curate_signable~134 tokens
[KEEP · internal] The canonical bytes for withdrawing YOUR OWN card. A member never needs permission to take their own words down — the proof is the same key that signed the drop. Sign these bytes, then call `curate` with them.daily_card~69 tokens
[FIND · internal] The deterministic card of the day from the keeping (same all day).deck_open~154 tokens
[KEEP · internal] Open a deck to its frontloaded hand — the cards that situation calls for, in order, with NO query needed. Give the deck `id` (from `decks`). Ideal for anticipating need: open 'water-safe', 'first-aid-far', 'grow-food', 'be-not-afraid', etc., and get the hand ready to read.decks~95 tokens
[KEEP · door] The decks — curated card SETS, both by-situation (need decks, frontloaded for a moment of need like 'when the power goes out') and by-domain. Each with a live card count; `need: true` marks a situation deck.define~158 tokens
[FIND · door] The dictionary — what an English word MEANS. Webster's 1913 (public domain) plus our gathered supplement for terms it predates; each sense labeled with its source. Empty when the word is unknown or no dictionary is loaded. The peer of thesaurus (synonyms) and word_study (original langudiscern~241 tokens
[WALK · door] Discern what to do with anything WITHOUT doing it — the proposal half of the engine, laid open. Bring a claim, a question, or a messy statement; get back what KIND it is, the necessary claim reduced to only what could change a verdict (private and framing context held back, not sent),find_verifier~149 tokens
[CHECK · door] Which verify DOMAIN handles a plain-language claim — the deterministic resolver (no model). Returns ranked domain candidates with the literal words that matched, to confirm and pass to `verify`. Crisis defers to real help; genuine ambiguity returns the candidates, never a single guessgrid_axis~90 tokens
[FIND · internal] The map: a read-only view of one axis (its scaffold members, depth, neighbors, umbrella children). Omit `axis` for an overview of all axes.grid_dimension~76 tokens
[FIND · internal] The axes that sit on a given scaffold member (dimension).group_contribute~276 tokens
[KEEP · internal] Add a verse/note/question to a group's shared study — attributed to your handle, optionally signed. Verbatim; a member's own words, not engine-verified.group_create~155 tokens
[KEEP · internal] Open a study group around a topic (pseudonymous; a handle, no personal info). For grown believers — the children's coach is a separate, never-joined surface.group_get~77 tokens
[KEEP · internal] A study group: topic, member handles (no ids/PII), and the shared-study cards.group_join~99 tokens
[KEEP · internal] Join a study group (consent-based, pseudonymous; idempotent).groups_list~93 tokens
[KEEP · internal] Discover pseudonymous shared-study groups by TOPIC (not by person). Optional q filters over topic/title/description. Members are handles only — no PII.harmony~112 tokens
[WORD · internal] Harmony of the Gospels — one event of Christ's life, every gospel that records it, side by side (found, verbatim WEB text, never generated). Pass id for one event; else lists every event grouped by phase of the ministry.identity_create~108 tokens
[KEEP · door] Explains how to create a SOVEREIGN identity — keys are born on the USER'S device (never on the server; no private key crosses the wire). Returns guidance, not a key. The server only handles public keys (identity_verify, identity_fingerprint).identity_fingerprint~84 tokens
[KEEP · internal] Derive the stable public fingerprint id from a public key (deterministic).identity_verify~114 tokens
[KEEP · internal] Verify a signature over a message against a public key (never raises; True/False).kernel~165 tokens
[CHECK · internal] THE GATE KERNEL — the law you keep here, in one call. The five moves (find, distinguish the KIND, verify what can be verified, preserve the trail, never silently upgrade authority), the eight-rule agent covenant, the six object KINDS, the authority lattice (quarantined < cited < vkernel_gate~468 tokens
[CHECK · internal] Route ONE proposed state-change through the kernel and get back the verdict (REJECT / QUARANTINE / CONFIRMED) plus the nine-field record — so you can DISCERN before you write (covenant rule 8: stop when the evidence is incomplete). CONFIRMED needs a real verification that HELD, anlibrary_health~62 tokens
[FIND · plumbing] Corpus health — is the keeping loaded and sound (totals, shelves, surfaces).locate~74 tokens
[FIND · internal] Find the card for a query — by exact id, then title, else ranked search.lookup~197 tokens
[FIND · door] Look up a VALUE deterministically from the engine's offline, public-domain data — the found-value twin of `verify` (look it up, then verify it), consolidated like verify into one tool. kind is one of: molar_mass {formula}, element {symbol|name|atomic_number}, convert {value, from, to}.manufacture~253 tokens
[CHECK · internal] The Conductor's shop-domain calc door: route an engineering claim + its numbers through the engine's manufacturing verifier -> seal -> hash-chained ledger, and report the disposition (CALCULATED/CONTROLLED/PROVISIONAL/OPEN). The engine verifies the calc; the engineer decides the lmesh_door~171 tokens
[KEEP · internal] Read the words left on YOUR door — the whiteboard others wrote to you, each with its verification. Yours alone: prove your key — pass `at` (unix seconds) and `sig` over nh-mesh-read:v1:<fp>:<at>, signed with your key.mesh_inbox~190 tokens
[KEEP · internal] The messages that reached you, each carrying its own offline verification so you trust it by proof rather than by this server's word. Yours alone: prove your key — pass `at` (unix seconds) and `sig`, a signature over nh-mesh-read:v1:<fp>:<at> made with your key (never send the key)mesh_leave_on_door~234 tokens
[KEEP · internal] Leave a word on one believer's door — directed encouragement rather than a post to everyone near you. Same sovereign shape: get the bytes from mesh_signable (with target), sign locally, send only the signature. Will not accept a private key; unsigned notes are refused.mesh_map~143 tokens
[KEEP · internal] The believers immediately around you in the Fellowship Mesh — your view only, never a global map. Requires your fingerprint (fp) and a confession already bound to that key; unconfessed callers get the path to the door, not the network.mesh_post~284 tokens
[KEEP · internal] Step 2: speak to the nodes around you, carrying only your SIGNATURE — your private key never leaves your machine and this tool will not take one. Pass the same text/kind/ttl plus the nonce, created_at and signature from mesh_signable. Refused unless the signature verifies against ymesh_signable~238 tokens
[KEEP · internal] Step 1 of speaking to your fellowship: get the exact canonical bytes to sign for a message (returned base64url, with the nonce and created_at to send back). Sign them locally with your own key. Reproducible offline — sorted-key JSON — so you can compute and check it yourself.moderation_signable~194 tokens
[KEEP · internal] Step 1 of a report or a block: the exact canonical bytes to sign with your own key, on your own machine. Returns {fields, signable}. Sign the decoded `signable` bytes and pass BOTH fields and signature to `report`. The private key never travels.narratives~215 tokens
[WORD · internal] The storyboards — the common narratives charted in the Bible FIRST (exile-and-return, the barren woman bears, down-to-the-pit-raised, the great reversal...), each instance real people with verified refs. The 17 movements are one shared vocabulary, so components isolate and recombinnow~174 tokens
[FIND · plumbing] The actual current date and time, fresh at this call — UTC (the clock every seal is stamped in), the library's home zone, and optionally any IANA zone you name. Your own sense of 'today' is months old; this is the correction. Never cached; unresolvable zones are declared, never gueoriginal_words~165 tokens
[WORD · internal] The original-language words behind a verse (Hebrew/Greek, with Strong's where known) — FOUND in the lexicon, never generated. Returns the tagged words AND coverage {tagged, total, untagged_positions, untagged_words, complete}: the tagged words are not the whole verse (Greek ~44% taparable~204 tokens
[WALK · internal] Bring a situation in your own words; receive the ONE of Christ's parables whose SHAPE fits it — the story verbatim (the Prodigal Son, the Good Samaritan, the Talents, the Sower, Luke 15 / Matthew 13 / Matthew 25 ...), his OWN explanation where he gave one, and one next step. The WAplaybook_read~199 tokens
[WALK · internal] THE PLAYBOOK — the Body's testimony of faithful obedience: 'Canon commands, Playbook remembers.' List entries (optionally by `status` quarantine/confirmed/rejected/pruned or `author`), or one by `id`. Confirmed testimony is affirmed BY THE BODY — it is NOT Scripture and binds no coplaybook_signable~322 tokens
[KEEP · internal] Step 1 — the exact bytes to sign ON THE DEVICE for a Playbook write. `op` is entry | witness | outcome | prune. A new `entry` REQUIRES a CONFESSION ('I may be wrong. I acted in faith according to [anchors].') + ≥1 Scripture anchor + an action (OPEN/BUILD/RESERVE/PRUNE/HOLD). The keplaybook_submit~220 tokens
[KEEP · internal] Step 2 — verify your detached signature over those exact bytes and enter the testimony/event. A new entry is born QUARANTINE and reaches CONFIRMED only when TWO independent brothers affirm (never the author — Deut 19:15) and the wait elapses. Record the OUTCOME (fruit/mixed/failed)profess~368 tokens
[KEEP · internal] Profess faith, and have it sealed and kept. Confession is with the mouth (Romans 10:9; Matthew 10:32 — whoever confesses Me before men). Give your public key and your confession in your own words; if you sign the confession text with your key (confession_sig), it is bound as yours.profession~138 tokens
[CHECK · internal] Read a sealed profession of faith and who has borne witness to it (each signature re-verified as read), with the lineage it joins — up to Polycarp, the initial trajectory, and Christ at the head. Omit the hash to see the Polycarp root itself.pronounce~95 tokens
[FIND · internal] A synthesized pronunciation guide (respelling + approximate IPA) for a transliteration or word — honestly labeled, not a native speaker.prophecy_traces~119 tokens
[WORD · internal] Christ-signpost traces (prophecy/cross-cultural pointers to Jesus) — attributed, verdict CONCORDANT/MIXED, NEVER HOLDS (a signpost, not a proof). Pass id for one trace, q to search, else lists all.read_passage~144 tokens
[WORD · door] Read a passage — a single verse, a range (John 3:16-18), or a whole chapter (John 3). The WEB by default; lang picks a held public-domain translation (es, fr, de, zh, he, la, ru, ar, ja, ko, …; an unknown lang lists what is held).redact~159 tokens
[CHECK · internal] Strip PII (emails, SSNs, credit cards, IPs, URLs) from text to stable placeholders before you pass it onward; the mapping is returned so YOU reveal replies locally. For true privacy run this on a LOCAL/sovereign engine (the text never leaves your machine) or use the client librarireport~282 tokens
[CHECK · internal] Report a community item (group_contribution, mesh_message, door_note) to the moderation floor. One report is a claim, never a verdict; at three DISTINCT reporters the item is held for a HUMAN steward's review (Deut 19:15). The counter never judges — it decides when a person must lresolve~73 tokens
[CHECK · internal] Resolve a Scripture reference to its World English Bible text.seal_fetch~75 tokens
[CHECK · door] Fetch a sealed verification record (the receipt) by its content hash.search~90 tokens
[FIND · door] Ranked search over the keeping (the kept library).seeds~164 tokens
[WORD · internal] Seeds of the Word (the Areopagus / logos spermatikos pass) — true fragments mined from the nations, ATTRIBUTED, CONCORDANT/signpost NEVER HOLDS; each names the idol it refuses and points to Christ (Acts 17; 1 John 4:1-3). Pass id for one seed, q to search, tradition to filter, elseself_attest~132 tokens
[CHECK · internal] Record a person's OWN words about their study — a DISTINCTLY TYPED record that can NEVER count as a sealed check or satisfy an auto-graded requirement.shelf_dropDeletes data · ~184 tokens
[KEEP · internal] Step 2 — stock the shelf. Send the fields from shelf_signable plus a detached signature over those bytes; the private key never travels. Your words stay at the `member` tier forever: promotion to the commons carries them further, it does not make them the library's claim. `display_shelf_read~217 tokens
[KEEP · internal] Read one member's shelf. Access is by PROOF, not by naming a key: an unproven caller sees only the promoted commons. To see your own rings (private + shelf) or a friend's shelf ring, pass `viewer` (a key), `at` (unix seconds) and `sig` — a signature over nh-shelf-read:v1:<member>:<shelf_signable~478 tokens
[KEEP · internal] THE COMMONS — step 1 of stocking your own shelf. Returns {fields, signable}: the exact canonical bytes to sign with YOUR key on YOUR machine. A shelf is a covenant key with cards on it, not an account. Rings: `private` (only you) · `shelf` (you and the friends who chose you — UNGATsteward_budget~126 tokens
[FIND · plumbing] Steward — a household budget (income, expenses -> net, savings rate, by category). Shows and plans; NEVER moves money.steward_cost_destroyed~96 tokens
[FIND · plumbing] Steward — cost destroyed: money you did NOT spend (was -> now), kept in your currency.study_create~118 tokens
[KEEP · door] Create/extend a shared study (superposition stack) — each entry mints ONE card that lives once and is referenced by key; no duplication.study_export~118 tokens
[KEEP · internal] Export a study as a self-contained, portable bundle. Returns the bundle and its content_hash; to bind your identity to it, sign that hash with your own key on your own machine — this tool does not take a private key.study_find~142 tokens
[WORD · internal] The quick-find index — ONE lookup across the whole reference section: archetypes, storyboards, movements, the six study tables, the atlas, harmony, timeline, and the encyclopedia. Each hit is a pointer to the real entry, which carries its own refs and its own honesty. The index finstudy_import~106 tokens
[KEEP · internal] Import an exported study bundle — re-materializes its cards (each lives once).teachings~105 tokens
[WORD · internal] The teachings of Christ (Words in Red) — the frozen Greek anchor plus the history that ALIGNS to each teaching, gathered and attributed, never authored. Pass id for one teaching; else the queue.thesaurus~113 tokens
[FIND · internal] The thesaurus — WordNet synonyms and broader (IS-A) terms for a word; the words that stand with it. Empty when the word is unknown or no thesaurus is loaded. The agent twin of the GET /thesaurus page.timeline~134 tokens
[WORD · internal] Timeline — Old Testament, New Testament (Acts onward), and Church History, one spine from creation to today. Genuinely disputed dates (early/late Exodus, the date of Revelation, etc.) carry both positions, never one verdict. Pass id for one event; else lists every event grouped bytsk_cross_references~122 tokens
[WORD · internal] Editorial cross-references for a verse (openbible.info, CC BY — expansion of the public-domain TSK), ranked by relevance votes. Found + attributed.verify~688 tokens
[CHECK · door] Verify a claim deterministically — returns a verdict (HOLDS / PARTIAL / BROKEN / INCOMPLETE / SYSTEM_ERROR), the worked trail, AND a sealed receipt {content_hash, cite_url} you can re-fetch and re-verify (seal_fetch). Three forms: (a) PLAIN — {claim}: a plain-language claim; the enginwant_offer~261 tokens
[KEEP · internal] Return to the comb with a FOUND source for an open want: label + url + snippet, attributed. You are a forager, not an author — offer only public-domain / openly-licensed sources you actually located, never generated text. The offer lands as a QUARANTINED option cell tagged with youwant_open~223 tokens
[KEEP · internal] Ask the library to ACQUIRE something it does not hold (kind=missing, give query) or to EXPAND a thin card (kind=expand, give card_id). Opens a want on the AGENT PLANE — held separate on the desk until the next human who looks seconds it by asking for the same thing. Call this onlywants_list~105 tokens
[KEEP · internal] The library's desiderata desk — open wants, sorted by demand, agent plane marked and separate. Read it to find gaps you could dig for.witness_profession~194 tokens
[CHECK · internal] Bear witness to someone's sealed profession of faith — sign its content_hash on your own machine (signing.sign_seal) and submit only the attestation. One signature is a claim; two or three witnesses begin to establish a matter (Deuteronomy 19:15). Refuses any record that is not awitnesses~104 tokens
[CHECK · internal] Who has borne witness to a record, each signature re-verified as it is read (storage is never trusted). Reports invalid entries rather than hiding them.word_study~90 tokens
[WORD · door] Strong's word study — original-language definition + pronunciation + every occurrence.
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