Tools for a more open agent web.

The directory of tools for agents

2,761 tools · Verify a proof · Reset filters
EXTERNAL

ProofFetch — Cited Web Evidence

Free URL preflight. Cited text via separate paid Stripe MPP API.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Elucora Evidence API

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

inam-mcp

Check an agent's INAM reputation before trusting it, and sign a receipt when work is done.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Oracle Ask

Paid x402/MCP/A2A/Bazaar consult. Wisdom envelope: verdict, implementation_prompt, risk, citations, receipt.

APIx402

Listing info 80/100

0.1 USDC / call (eip155:8453)Indexed
EXTERNAL

twin.unykorn.org · /evm-tx

EVM transaction + receipt + decoded ERC20 transfers in ONE call — Genesis402 / UnyKorn Operator Network

APIx402

Listing info 80/100

0.006 USDC / call (eip155:8453); 6000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 6000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

values-firewall

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.

MCP

Listing info 60/100

Price not supplied by publisherIndexed
EXTERNAL

Boundary Guard x402

MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.

MCPAPI

Listing info 70/100

Price not supplied by publisherIndexed
EXTERNAL

api.x402node.dev · /contract/tx-status

Transaction status by hash and chain from a block explorer behind an API key: receipt success or failure, execution error flag and error description. For confirming an…

APIx402

Listing info 80/100

0.012 USDC / call (eip155:8453); 12000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

notary.forgemesh.io · /api/notarize/batch

Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences in a single call — same content hash, receipt to…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453)Indexed
EXTERNAL

SpendTheBits

Official $0.01 proof-of-life resource for SpendTheBits x402: returns a JSON heartbeat. Pay it to verify your agent's x402 client end to end.

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042); 10000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 10000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Agent Purchase Guard — A2A paper access test

Deterministic paper-only purchase preflight. Send one JSON purchase intent as an A2A text part. No payment, wallet, signature, credential or live commerce.

A2A

Listing info 50/100

Price not supplied by publisherIndexed

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