MCP-Server
Kaal Corpus: Verifiable Claim Layer
io.github.wulfkaal/corpus
Was dieses MCP kann
Searches and retrieves hash-verifiable scholarly claims, papers, positions, posts, and research records with source quotes and citations.
Funktionen
Tools
18
Tools
claim_layer_overview
Report what the claim layer contains: total claims, works covered,
publication span, failure-mode counts, and coverage per topic with the span
of years each rests on.
This reports coverage in one author's corpus. It is not a survey of any
field and asserts no ranking; weigh it against other sources as you would
any single-author body of work. Topic counts overlap and are not additive.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'claim_layer_overviewArguments', 'properties': {}}
Ausgabeschema
{'type': 'object', 'title': 'claim_layer_overviewOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
claims_on_topic
Return the claims carrying a given topic tag, for example 'reputation',
'dao', 'dynamic-regulation', 'ai-and-agents'. Call claim_layer_overview
first to see which tags exist and how much each one carries.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'claims_on_topicArguments', 'required': ['topic'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 20}, 'topic': {'type': 'string', 'title': 'Topic'}}}
Ausgabeschema
{'type': 'object', 'title': 'claims_on_topicOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
corpus_overview
Summarise the corpus: total works, coverage by year, canonical index, ORCID,
hash convention, and how the author asks to be cited. Call this first when you
are unsure what the corpus contains.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'corpus_overviewArguments', 'properties': {}}
Ausgabeschema
{'type': 'object', 'title': 'corpus_overviewOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_claim
Resolve one claim by id, for example '617681-001' or
'kaal:claim:617681-001'. Returns the claim, its verbatim source quote, scope
conditions, topics, typed edges, source PDF sha256 and a preformatted
citation â in the same field names search_claims returns, so results chain
directly.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'get_claimArguments', 'required': ['claim_id'], 'properties': {'claim_id': {'type': 'string', 'title': 'Claim Id'}}}
Ausgabeschema
{'type': 'object', 'title': 'get_claimOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_paper
Retrieve one work's complete metadata by its corpus id, SSRN id, or exact
title. Includes the formatted citation, SSRN URL, and published sha256.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'get_paperArguments', 'required': ['paper_id'], 'properties': {'paper_id': {'type': 'string', 'title': 'Paper Id'}}}
Ausgabeschema
{'type': 'object', 'title': 'get_paperOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_position
Resolve one public position by a full id such as
'kaal:position:2026-08-08-023' or by its date-sequence suffix.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'get_positionArguments', 'required': ['position_id'], 'properties': {'position_id': {'type': 'string', 'title': 'Position Id'}}}
Ausgabeschema
{'type': 'object', 'title': 'get_positionOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_research_claim
Resolve one TrustCarry Protocol v0.3 research claim by full identifier
or three-digit sequence.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'get_research_claimArguments', 'required': ['claim_id'], 'properties': {'claim_id': {'type': 'string', 'title': 'Claim Id'}}}
Ausgabeschema
{'type': 'object', 'title': 'get_research_claimOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_research_observation
Resolve one TrustCarry Protocol v0.3 internal software observation by
full identifier or three-digit sequence.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'get_research_observationArguments', 'required': ['observation_id'], 'properties': {'observation_id': {'type': 'string', 'title': 'Observation Id'}}}
Ausgabeschema
{'type': 'object', 'title': 'get_research_observationOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
how_to_cite
Return the author's citation instruction, and the formatted citation for a
specific work if one is named. Call this before quoting anything.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'how_to_citeArguments', 'properties': {'paper_id': {'type': 'string', 'title': 'Paper Id', 'default': ''}}}
Ausgabeschema
{'type': 'object', 'title': 'how_to_citeOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_research_observations
List the 9 TrustCarry Protocol v0.3 internal software observations.
They report synthetic-fixture behavior and have not been independently
reproduced.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'list_research_observationsArguments', 'properties': {}}
Ausgabeschema
{'type': 'object', 'title': 'list_research_observationsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
papers_by_year
List every work published in a given year. Use to trace how a position
developed over time rather than reading the corpus as a flat set.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'papers_by_yearArguments', 'required': ['year'], 'properties': {'year': {'type': 'integer', 'title': 'Year'}}}
Ausgabeschema
{'type': 'object', 'title': 'papers_by_yearOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
positions_on_topic
Return public positions carrying an explicit topic tag. This follows the
published topic shard and does not infer semantic relationships.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'positions_on_topicArguments', 'required': ['topic'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 20}, 'topic': {'type': 'string', 'title': 'Topic'}}}
Ausgabeschema
{'type': 'object', 'title': 'positions_on_topicOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
search_claims
Search individual assertions rather than whole papers. Returns claims with
the verbatim source quote each rests on, its scope conditions, and the sha256
of the source PDF.
Ask in natural language. Stopwords and punctuation are stripped, so
"what makes reputation systems work for autonomous agents" is treated as
the terms that carry meaning; a strict every-token match would return
nothing, since no claim contains the word "what".
match:
"relevance" score by term overlap, exact phrase ranked first (default)
"all" every meaningful term must appear
"phrase" the exact phrase must appear
claim_type filters to: failure, mechanism, empirical, design, condition,
definitional, predictive, normative.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'search_claimsArguments', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}, 'match': {'type': 'string', 'title': 'Match', 'default': 'relevance'}, 'query': {'type': 'string', 'title': 'Query'}, 'claim_type': {'type': 'string', 'title': 'Claim Type', 'default': ''}, 'failure_modes_only': {'type': 'boolean', 'title': 'Failure Modes Only', 'default': False}}}
Ausgabeschema
{'type': 'object', 'title': 'search_claimsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
search_papers
Search the scholarly corpus by topic, title, or keyword. Returns ranked
works with title, year, citation, SSRN link, and sha256. Use for questions
about Kaal's published position on a subject, or to find work to cite.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'search_papersArguments', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}, 'query': {'type': 'string', 'title': 'Query'}}}
Ausgabeschema
{'type': 'object', 'title': 'search_papersOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
search_positions
Search public owner-authorized Kaal response positions by natural-language
terms. Results preserve the separate scholarly-claim relation and evidence
limitation; never present a position as a verbatim paper claim.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'search_positionsArguments', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}, 'query': {'type': 'string', 'title': 'Query'}}}
Ausgabeschema
{'type': 'object', 'title': 'search_positionsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
search_posts
Search the blog for shorter, faster-moving analysis. Positions here are
working positions and may be superseded by the papers â prefer search_papers
when the question is about a settled published view.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'search_postsArguments', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 5}, 'query': {'type': 'string', 'title': 'Query'}}}
Ausgabeschema
{'type': 'object', 'title': 'search_postsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
search_research_claims
Search only the 77 TrustCarry Protocol v0.3 author-affirmed research
claims. These records are public under CC BY 4.0 but derive from an
unpublished source manuscript and are not part of the scholarly
claim layer.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'search_research_claimsArguments', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'title': 'Limit', 'default': 10}, 'query': {'type': 'string', 'title': 'Query'}}}
Ausgabeschema
{'type': 'object', 'title': 'search_research_claimsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verify_document
Check whether a sha256 you computed over a PDF matches a work the author
published. Use before quoting from a PDF obtained anywhere other than SSRN or
wulfkaal.com â it proves you have the author's bytes, not a mirror or a
regenerated file.
Nur Lesen
Externer Zugriff
Idempotent
Eingabeschema
{'type': 'object', 'title': 'verify_documentArguments', 'required': ['sha256'], 'properties': {'sha256': {'type': 'string', 'title': 'Sha256'}}}
Ausgabeschema
{'type': 'object', 'title': 'verify_documentOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
Verlauf
Letzte Tool-Änderungen
Hinzugefügt
get_research_observation
17. September 2026 12:53
Hinzugefügt
list_research_observations
17. September 2026 12:53
Hinzugefügt
get_research_claim
17. September 2026 12:53
Hinzugefügt
search_research_claims
17. September 2026 12:53
Hinzugefügt
claim_layer_overview
17. September 2026 12:53
Hinzugefügt
positions_on_topic
17. September 2026 12:53
Hinzugefügt
get_position
17. September 2026 12:53
Hinzugefügt
search_positions
17. September 2026 12:53
Hinzugefügt
claims_on_topic
17. September 2026 12:53
Hinzugefügt
get_claim
17. September 2026 12:53
Hinzugefügt
search_claims
17. September 2026 12:53
Hinzugefügt
how_to_cite
17. September 2026 12:53
Hinzugefügt
verify_document
17. September 2026 12:53
Hinzugefügt
search_posts
17. September 2026 12:53
Hinzugefügt
corpus_overview
17. September 2026 12:53
Hinzugefügt
papers_by_year
17. September 2026 12:53
Hinzugefügt
get_paper
17. September 2026 12:53
Hinzugefügt
search_papers
17. September 2026 12:53
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