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Verify whether a supplied public source currently supports one atomic factual claim.
MCP endpoint :https://source-claim-proof.mattskowronis.workers.dev/mcp · website · measurements and detailsEvidence-backed web verification for agents with deterministic JSON, text evidence, and screenshots.
MCP endpoint :https://proof.reprompt.jp/mcp · website · measurements and detailsAdd a text box that proves a human typed it, not AI. Code for any framework; verify proof tokens.
MCP endpoint :https://www.proofoftype.com/mcp · website · measurements and detailsOne API, all things verified — control, delegation, human approval, anti-impersonation.
MCP endpoint :https://api.proof.holdings/mcp · website · measurements and detailsCreate and modify Font Proof documents programmatically (PDF font proofs, live from Glyphs.app).
Package npm :font-proof-mcp · website · measurements and detailsBraille pattern count, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/braille-ok/mcp · website · measurements and detailsPrivate signed AI task receipts with replay checks and optional validated AIPOU claims.
Package npm :aipou-mcp-server · website · measurements and detailsVerify AI agent communication with session types and formal proofs
Package pypi :lu-mcp-server · website · measurements and detailsBase32 encode, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/base32-ok/mcp · website · measurements and detailsTrack client quote and proof revisions, approvals, and work status.
MCP endpoint :https://approval-link-account.kurodalab.com/mcp · website · measurements and detailsVerify timestamp proofs offline, anchor hashes through ProofLedger, keep agent run receipts.
Package pypi :verify-proof · website · measurements and detailsNotarize, e-sign, and verify identity with the Proof API. Unofficial; not affiliated with Proof.
Package oci :ghcr.io/tsarlewey/proof-cli:0.3.1 · website · measurements and detailsURL encode, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/urlencode-ok/mcp · website · measurements and detailsSHA-1, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/sha1-ok/mcp · website · measurements and detailsPremium agentic endpoint for coq-proof-assistant-mcp.
MCP endpoint :https://api.m2mcent.com/coq-proof-assistant-mcp/sse · measurements and detailsHex encode, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/hex-ok/mcp · website · measurements and detailsIntel HEX type-00 count, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ihex-ok/mcp · website · measurements and detailsBase64 encode, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/base64-ok/mcp · website · measurements and detailsAscii85 <~ ~> frame, input discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ascii85-ok2/mcp · website · measurements and detailsVerify Umbra bridge accountability proofs (signed receipts, checkpoints, Merkle inclusion).
Package oci :ghcr.io/beepboop2025/umbra-proof-mcp:v0.1.2 · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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