Tools for a more open agent web.

The directory of tools for agents

2,857 tools · Verify a proof · Reset filters
EXTERNAL

Paylyte

Agent Trust Score earned through Proof of Outcome. Browse and buy as paylyte-core.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

rubrkit

MCP-native AI evaluation: rubric audits, eval suites, and proof reports for AI/LLM output.

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

TrustNotch

Tamper-evident audit logs for AI agents: submit, fetch, and verify cryptographic proof bundles.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

xrpldashboard

Read-only XRP Ledger MCP tools with proof-annotation envelopes and signed daily snapshots.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

badhttp

badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Not…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

d21 archive_tip_day

Tip/entry ($0.01): tip receipt (brand+date+content hash, no payTo) PLUS one Signal archive day unlock. Body { date: YYYY-MM-DD }. First-penny path into Signal archive …

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

B20 Permit Inspector

🆕 Every B20 has ERC-2612 permit built in — approve a spender by signature instead of a transaction. Reads exactly what an agent needs to build a valid permit: the tok…

APIx402

Listing info 80/100

0.03 USDC / call (eip155:8453)Indexed
EXTERNAL

Palmyr Communications

Lease a cheap, instant, receive-only US phone number from a pool to receive one SMS verification code — the phone analogue of a disposable temp email inbox. $0.20 for …

APIx402

Listing info 80/100

200000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 0.2 USDC / call (eip155:8453)Indexed
EXTERNAL

SCVD General Store

A Bitcoin Anchor. REQUIRES ?digest= on the paid request — a signed request without it is refused before the gate and no money moves. A signed certificate binding the b…

APIx402

Listing info 80/100

1 USDC / call (eip155:8453); 1000000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 1000000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 1000000 atomic units of 0x79a02482a880bce3f13e09da970dc34db4cd24d1 (eip155:480); 1000000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Quartermaster Transaction Status

Check the status of a Base transaction: success/reverted/pending, confirmations, gas used, and explorer link — settlement verification for agents and payment flows.

APIx402

Listing info 80/100

0.002 USDC / call (eip155:8453); 2000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Tereno

Onchain verification and reusable evidence infrastructure for autonomous agents. Tereno verifies executable smart-contract state on Base, detects proxy implementation …

A2A

Listing info 50/100

Price not supplied by publisherIndexed

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