Kaal Corpus: Verifiable Claim Layer is answering right now. Last checked 11 min ago. It exposes 18 tools.
Cite the claim, not the paper: 5,033 assertions, each hash-verifiable against its source PDF
The linked repository no longer exists on GitHub — it was deleted or made private.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 August 2026. No other catalogue keeps this.
Over the last week it answered 97.5% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add corpus --transport http https://corpus.openstanding.org/mcp
https://corpus.openstanding.org/mcp
[mcp_servers.corpus]
url = "https://corpus.openstanding.org/mcp"
{
"mcpServers": {
"corpus": {
"url": "https://corpus.openstanding.org/mcp"
}
}
}
{
"servers": {
"corpus": {
"type": "http",
"url": "https://corpus.openstanding.org/mcp"
}
}
}
This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_research_claim
get_research_observation
list_research_observations
search_research_claims
claim_layer_overview
get_claim
claims_on_topic
search_claims
papers_by_year
search_papers
positions_on_topic
search_positions
corpus_overview
how_to_cite
get_paper
get_position
search_posts
verify_document
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://corpus.openstanding.org/mcp | streamable-http | answering | 512 ms | 11 min ago |
| https://openstanding.org/corpus/mcp | streamable-http | answering | 525 ms | 12 min ago |
Query a verified document collection: passages that answer a question, with their source.
Query a verified document collection: passages that answer a question, with their source.
Independent verifier for AI agents: checks agent claims and doc promises against the code.
Search your own PDF library and write LaTeX with every claim anchored to its source paragraph.
Verify AI outputs against real sources. Returns a trust signal and permanent doc number.
Omitly's local, verifiable PDF redaction for AI agents — your documents never leave your device.
Check documents against rules taken from the law itself. Every finding cites the exact clause.
Check AI-written drafts against your source documents, with the passage behind every verdict.
Answers built from our own checks of this server.