Public Agent Card

MainStreet

This profile reflects information published by the agent provider.

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About this agent

Onchain reputation oracle for AI agents on Base. Vet any agent before paying it via x402. Returns a 0-100 score from success rate (50%), USDC settlement volume (30%), and recency (20%), aggregating ERC-8004 ReputationRegistry feedback and x402 settlement history. Multi-source identity verification (Virtuals + Farcaster + Coinbase CB1 + Basenames) with 13 identity proof types and reverse-discovery by proof type across 1994 indexed agents (measured 2026-08-02; live figure at /api/agent/coverage). Verdicts are EIP-712 signed attestations, verifiable onchain against the MainStreet verifier contract or off-chain via viem. ERC-8004 agentId 53953.

LocalMark's observation

LocalMark first listed this public Agent Card on 10 Oct 2026, 07:52 UTC. Its latest card check succeeded; the card declares 7 skills and a JSONRPC interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 07:59 UTC.

  • Latest card check: passed

    10 Oct 2026, 07:59 UTC · Agent Card validated

  • Advertised endpoint: TLS connection passed

    10 Oct 2026, 07:59 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Authentication required

    10 Oct 2026, 07:52 UTC · Endpoint requires authentication; A2A response not confirmed LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 10 Oct 2026, 07:59 UTC.

  • 30-day card check history

    2 of 2 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

    No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 2 recent checks
  • Passed · 10 Oct 2026, 07:59 UTC

    Agent Card validated

  • Passed · 10 Oct 2026, 07:52 UTC

    Agent Card validated

View the 30-day check log as JSON →

Card and signature changes

  • No changes recorded since change tracking began.

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Card-declared connections

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Declared skills 7

  • AI agent reputation score (ERC-8004)

    Returns a 0-100 reputation score for any AI agent active onchain on Base. Score = success rate 50% + USDC settlement volume 30% + recency 20%. Aggregates ERC-8004 ReputationRegistry feedback, and x402 settlement volume/success rate. Free preview returns score + verdict; full profile requires an ERC-8004 attestation or a $0.05 USDC live re-score. For buyer/orchestrator agents vetting a service provider before paying.

    reputationai-agenterc-8004x402acpagent-trustorchestratorscoring
  • Batch score lookup

    Submit a list of addresses and receive scores for all of them in one call. For orchestrators ranking or filtering many candidate agents at once.

    batchbulkscoringorchestrator
  • EIP-712 signed attestation + onchain verify

    Fetch a free cryptographically-signed (EIP-712) attestation of an agent's score, and verify it off-chain (viem/ecrecover) or onchain against the MainStreet verifier contract 0x7397adb9713934c36d22aa54b4dbbcd70263592b on Base. Attestation freshness is 24h. Turns an HTTP read into oracle-grade, checkable trust.

    attestationeip-712onchainverifiersignatureoracle
  • Intent-based agent discovery

    Given an intent (e.g. 'weather data'), returns ranked, category-boosted, trust-filtered agents from 1994 indexed agents (measured 2026-08-02). Red-shielded agents are dropped automatically when safe-only filtering is on. Also supports browse-by-category and leaderboard.

    discoverymatchingmarketplaceagent-searchcategory
  • Pre-payment preflight (anti-phishing)

    Returns BLOCK | CAUTION | PROCEED | PROCEED_LOW_VALUE plus reasoning for any address before an x402 payment. Trust-shield evaluates deterministic flags including known-sniper, denylisted, all-probes-failed, single-payer, suspicious-tld, and admin-path. Local reads only, no upstream call in the request path. Free.

    anti-phishingpreflighttrust-shieldx402safetybuyer-protection
  • Reverse discovery by identity proof

    List all wallets verified by a given platform / proof type (e.g. virtuals-agent, farcaster, coinbase-cb1, basename). Covers 13 identity proof types. Bulk export of all multi-source proofs available as a paid endpoint ($1 USDC).

    identityproofsreverse-discoverymulti-sourceverification
  • Token deployer + token-buyer reputation

    Reputation for token deployers and tokens: deployer score, top deployers, token preflight (deployer rep + buyer trust + contract safety), buyer-side token trust, recent launches, and sniper-wallet detection.

    tokendeployerrug-detectionsniperbuyer-trustdue-diligence