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ProofMart

by io.github.ProofMart
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Server Details

One-stop claim verification for AI agents: verdicts with confidence, evidence, signed receipts.

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-06-18
URL
ChatGPT
–
Claude
–

TDQS

A4.3/5.0

Scored across 3 tools

Disambiguation5/5

Each tool targets a clearly different object and action: verifying a claim, listing subscription plans, and pulling an agent's conduct record. There is no plausible confusion between them, and an agent can select the right tool from the name alone.

Naming Consistency5/5

All three names follow a strict verb_noun snake_case pattern (check_agent_conduct, list_plans, verify_claim). The convention is uniform and self-explanatory, with no camelCase or stylistic drift.

Tool Count4/5

Three tools is on the light side but each maps to a distinct business capability (claim verification, plan catalog, conduct lookup). The surface is well-scoped, though the rich payment and ledger mechanics described suggest a couple more tools could be justified without bloat.

Completeness3/5

Core workflows (verify a claim, see plans, check conduct) are covered, but there are notable gaps: no tool to purchase or manage a subscription/plan, no way to retrieve or verify stored receipts, and no ledger inspection beyond the implicit caching behavior. Agents can still complete the main task but will hit dead ends on billing and receipt lifecycle.

Available Tools

3 tools
check_agent_conductPull an agent's conduct record (Conduct Feed)A
Read-only
Inspect

Ask the Conduct Feed — a separate business from ProofMart, whose records are built from ProofMart check receipts — how an agent has behaved: a 0-100 conduct score with its component scores, the evidence mix behind it (event counts by tier, record span, settled payments), contested markings, and a signed attestation. Identify the agent by customer_id (a ProofMart customer number) or by wallet (its x402 payer address). Your OWN record is free when you send your customer key; pulling another agent's record costs $0.05, paid in USDC over x402: a call that needs payment is answered 402 with payment requirements in the PAYMENT-REQUIRED header — pay and retry with the signed payment in the PAYMENT-SIGNATURE header. An agent with no history answers standing 'no_record' — never a fabricated score. Full method: GET /conduct/methodology.

Inputs: wallet, identity, customer_id. Returns: score, evidence, identity, standing, +2 more

list_plansList ProofMart plansA
Read-onlyIdempotent
Inspect

The ProofMart menu: each plan's monthly check bundle and draft price. Free to call — no key needed, nothing metered. Useful when an owner asks what subscribing would get them.

Inputs: no named parameters.

verify_claimVerify a factual claimAInspect

Submit one factual claim to ProofMart and get back a verdict (TRUE / FALSE / MIXED / UNVERIFIED), a confidence score (0-100), the evidence behind the verdict, and a signed receipt. Verdicts are remembered in ProofMart's Ledger: a claim that was already checked and is still fresh is answered instantly from memory (the result's 'source' field says 'ledger'; fresh research says 'checker'). Compound claims are split into individual facts automatically. One call = one metered check against the customer's plan.

Inputs: claim (required). Returns: claim, source, account, receipt, +3 more

Tool Schema Changelog

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