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Serveur MCP

FactStamp

au.com.alpineai/factstamp
Recherche et exploration Sécurité Public et accessible MCP 2025-11-25

Ce que fait ce MCP

Verifies citations, figures, entities, documents, and software packages against cited sources, returning signed receipts and optional change monitoring.

Capacités

Outils

10 outils
check_document
Check a whole document in one call: the claims that can be verified against a primary source, each answered by the door that owns it with its own signed receipt, plus one receipt over the document. Extraction is mechanical, so the claim list and the count are reproducible from your document alone — nothing is inferred. This rail answers the first 5 claims for a flat US$0.25 (5 cents a claim); a better-funded document goes to the pack-funded HTTP door (POST /document, up to 25 claims at the same 5 cents a claim), whose free preview lists the claims and the price before anything is charged — use it first if you are unsure the document holds anything checkable. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['document'], 'properties': {'document': {'type': 'string', 'maxLength': 40000, 'minLength': 20, 'description': 'The document text. Only sentences that name something we cover AND carry the value to check become claims; everything else is reported as considered.'}}, 'additionalProperties': False}
check_entity
Verify a legal entity: does this company exist, under which identifier and jurisdiction, and is its registration current? Cited to open primary registers (the GLEIF LEI index and US SEC EDGAR). Returns found, ambiguous, not_found or unknown; a near name match is never reported as a match. Not advice, not a credit check, not a sanction screen. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'query': {'type': 'string', 'maxLength': 200, 'minLength': 2, 'description': "The entity to verify: a legal name such as 'Shopify Inc.', an LEI, or a CIK. An identifier resolves exactly."}, 'jurisdiction': {'type': 'string', 'maxLength': 12, 'description': "Optional jurisdiction code to break ties, e.g. 'CA-ON', 'US-DE', 'AU'."}}, 'additionalProperties': False}
check_figure
Submit the dated figure you are about to act on. Returns verified, stale, contradicted or unknown, cited to the publisher's own series with its as-of date. Use before committing a number to a page, deck or decision. Not advice. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['claim'], 'properties': {'claim': {'type': 'string', 'maxLength': 4000, 'minLength': 8, 'description': "The assertion to check, e.g. 'The RBA cash rate is 4.35% as at August 2026'."}, 'series_id': {'type': 'string', 'description': 'Optional. Name the series to bypass the rule-based router (see list_series). Use when you already know which series owns the number, or when routing was ambiguous.'}}, 'additionalProperties': False}
list_series
Free. What this engine covers, the publisher and as-of date behind each series, and the no-guess rule.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}}
route_claim
Free. Shows which series a claim would be routed to, the value and date extracted, and the signals behind the score. Returns NO verdict — pay for check_figure when you want one.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['claim'], 'properties': {'claim': {'type': 'string', 'maxLength': 4000, 'minLength': 4, 'description': 'The assertion to route.'}}, 'additionalProperties': False}
verify_bulk
Check a whole list in one call: a bibliography or a dependency manifest. Send items[] of {tool, input} or the citations[]/packages[] shorthand. Up to 12 items at a flat US$0.12 on this door; longer lists pay 0.016667 an item on the pack-funded HTTP door (POST /bulk, up to 25 items). Every item is answered by the same door that answers a single call, so the verdicts cannot disagree. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'items': {'type': 'array', 'items': {'type': 'object', 'required': ['tool', 'input'], 'properties': {'tool': {'enum': ['verify_citation', 'verify_package'], 'type': 'string'}, 'input': {'type': 'object', 'additionalProperties': {}}}, 'additionalProperties': False}, 'maxItems': 12, 'description': 'Explicit form: each item names its door and its input.'}, 'packages': {'type': 'array', 'items': {'type': 'string', 'maxLength': 200}, 'maxItems': 12, 'description': "Shorthand: package versions such as 'express@4.18.2'."}, 'citations': {'type': 'array', 'items': {'type': 'string', 'maxLength': 300}, 'maxItems': 12, 'description': 'Shorthand: DOIs, arXiv IDs or titles, each checked as a citation.'}}, 'additionalProperties': False}
verify_citation
Check a citation before you repeat it. Submit a DOI, an arXiv ID or a paper title: returns whether it exists, what it is (title, authors, year, container) and whether it has been retracted, cited to Crossref and arXiv. Optionally send what your document claims (title, authors, year, journal) and every field is compared one by one — a disagreement is reported as mismatch, never as verified. A near title match is never reported as verified; a title that is absent from both returns not_found. Not advice. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['query'], 'properties': {'query': {'type': 'string', 'maxLength': 300, 'minLength': 4, 'description': "A DOI such as '10.1038/nature12373', an arXiv ID such as '1706.03762', or a paper title."}, 'claimed_year': {'type': 'integer', 'maximum': 2100, 'minimum': 1500, 'description': 'The year as your document states it. A difference of one year is tolerated.'}, 'claimed_title': {'type': 'string', 'maxLength': 300, 'description': 'The title exactly as your document quotes it, to have it compared against the record.'}, 'claimed_authors': {'type': 'array', 'items': {'type': 'string', 'maxLength': 120}, 'maxItems': 20, 'description': 'The authors as your document lists them. Surnames are compared.'}, 'claimed_journal': {'type': 'string', 'maxLength': 200, 'description': 'The journal or container as your document names it.'}}, 'additionalProperties': False}
verify_package
Check a dependency before you install it. Submit a package and version plus its ecosystem: returns whether that exact version exists, whether it is yanked or deprecated, and every advisory OSV lists against it. An invented version returns not_found with the real versions nearest to it, and an invented name returns the published names that look like it — which is the point, because that is how slopsquatting gets installed. Not a security audit. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Lecture seule Accès externe Idempotent
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['package'], 'properties': {'package': {'type': 'string', 'maxLength': 200, 'minLength': 1, 'description': "The package to check, e.g. 'express', 'express@4.18.2' or '@scope/name'."}, 'ecosystem': {'enum': ['npm', 'pypi', 'crates'], 'type': 'string', 'description': 'Which registry to ask. Defaults to npm.'}}, 'additionalProperties': False}
watch_add
Watch a citation or a package version instead of checking it once. Send kind ('citation' or 'package') and the subject (a DOI, an arXiv ID or a title; or npm:express@4.18.2). The first check is answered immediately and signed, then re-checked daily for 30 days; every real change (a retraction, a new advisory, a yanked version) is recorded with its own signed receipt. Returns a read URL and a token shown once; optionally send an https webhook and each change is POSTed to it. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Accès externe
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['kind', 'subject'], 'properties': {'kind': {'enum': ['citation', 'package'], 'type': 'string', 'description': 'What kind of subject this is.'}, 'subject': {'type': 'string', 'maxLength': 300, 'minLength': 2, 'description': "The DOI, arXiv ID or title to watch; for a package, 'express@4.18.2' or 'npm:express@4.18.2'."}, 'webhook': {'type': 'string', 'maxLength': 300, 'description': 'Optional https URL: each recorded change is POSTed there as JSON.'}}, 'additionalProperties': False}
watch_portfolio
Watch a whole list instead of one reference at a time: up to 25 citations or package versions re-checked every day for 30 days under one token. US$5 a portfolio — 20 cents a reference, under a cent a check — and the first check on every reference is answered and signed immediately. Each real change carries its own signed receipt, and nothing is sent when nothing changed. Returns a read URL and a token shown once. Comes with an Ed25519-signed receipt covering the question, the verdict, the sources and the time, checkable offline against the published key at /.well-known/factstamp-issuer.json — so the check itself can be audited later by someone who was not here.
Accès externe
Schéma d’entrée 
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['items'], 'properties': {'items': {'type': 'array', 'items': {'type': 'object', 'required': ['kind', 'subject'], 'properties': {'kind': {'enum': ['citation', 'package'], 'type': 'string', 'description': 'What kind of reference this is.'}, 'subject': {'type': 'string', 'maxLength': 300, 'minLength': 2, 'description': "The DOI, arXiv ID or title; for a package, 'express@4.18.2' or 'npm:express@4.18.2'."}}, 'additionalProperties': False}, 'maxItems': 25, 'minItems': 1, 'description': 'Up to 25 references. A repeated reference is charged once.'}, 'webhook': {'type': 'string', 'maxLength': 300, 'description': 'Optional https URL: each recorded change on any reference is POSTed there as JSON.'}}, 'additionalProperties': False}
Historique

Modifications récentes des outils

Ajouté
check_document
30 September 2026 02:40
Ajouté
verify_bulk
30 September 2026 02:40
Ajouté
watch_portfolio
30 September 2026 02:40
Ajouté
watch_add
30 September 2026 02:40
Ajouté
verify_package
30 September 2026 02:40
Ajouté
verify_citation
30 September 2026 02:40
Ajouté
check_entity
30 September 2026 02:40
Ajouté
check_figure
30 September 2026 02:40
Ajouté
route_claim
30 September 2026 02:40
Ajouté
list_series
30 September 2026 02:40
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