Tools for a more open agent web.

The directory of tools for agents

2,726 tools · Verify a proof · Reset filters
EXTERNAL

lean-reader

Token-minimized URL-to-clean-text reader for LLMs, with a token-savings receipt.

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

ReceiptRail

Read-only on-chain receipt check for x402 payments; confirm settlement before trusting a tx.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

SendaFax

Send a fax in Australia (+61). Pay only if it delivers. Email receipt. No card at send.

MCP

Listing info 75/100

Price not supplied by publisherIndexed
EXTERNAL

Slipstack PDF

Generate invoice and receipt PDFs from JSON. Agent-callable document API with a free demo quota.

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

47620 Solana Data API

First and last seen activity (blockTime) plus estimated account age in days, from the deepest signature page available. Useful for trust/age checks.

APIx402

Listing info 80/100

5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137)Indexed
EXTERNAL

Artifact Inspector

PKCS#10 certificate signing request (CSR) inspector — parse requested identities and public-key metadata, calculate a fingerprint, and check the included self-signatur…

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 5000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

Tanod chainpeek

chainpeek (Tanod) calldata decode: decode EVM transaction calldata with a given signature, or look the selector up and return every candidate that decodes cleanly (unv…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453)Indexed
EXTERNAL

Vextorium

Encode a contract function call (calldata) from its signature and arguments, e.g. transfer(address,uint256) with [to, amount]: selector and hex data ready to sign or s…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 3000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042)Indexed
EXTERNAL

Vextorium

Encode a contract function call (calldata) from its signature and arguments, e.g. transfer(address,uint256) with [to, amount]: selector and hex data ready to sign or s…

APIx402

Listing info 80/100

0.003 USDC / call (eip155:8453); 3000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85 (eip155:10); 3000 atomic units of 0x3600000000000000000000000000000000000000 (eip155:5042)Indexed
EXTERNAL

source-claim-proof.mattskowronis.workers.dev · /v1/verify

Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippet…

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453)Indexed
EXTERNAL

antigravityrunledger-mcp

Remote MCP for Antigravity agent run receipt MCP, structured receipts, audit logs, and reviewer-read

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

geminiomnirights-mcp

Remote MCP for Gemini Omni commercial rights receipt MCP, structured receipts, audit logs, and revie

MCP

Listing info 65/100

Price not supplied by publisherIndexed

Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works