Tools for a more open agent web.

The directory of tools for agents

2,726 tools · Verify a proof · Reset filters

verified-feed

official-mcp
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Contradiction-verified, freshness-SLA'd signed feed: per-record status + as-of date + receipt.

Listing info 65/100
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ynab-mcpb

official-mcp
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Local-first YNAB MCP for reconciliation, receipt splitting, safe cleanup, and spending analysis

Listing info 75/100
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Pyfile x402 API

x402-bazaar
Use case: development
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 3000 atomic units of 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 (eip155:137); 3000 atomic units of 0xaf88d065e77c8cC2239327C5EDb3A432268e5831 (eip155:42161); 8628000000000000000000000000 atomic units of XNO (nano:mainnet)

HMAC signature of a string: returns hex and base64. ?algo=sha256|sha512|sha1|md5|sha3-256&key=<secret>&input=<message>. Deterministic and inde…

Listing info 80/100
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Soren

x402-bazaar
Use case: data · finance
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453); 0.003 USDC / call (base)

Read whether a transaction SUCCEEDED — a tx can be in a block and still have failed; status is the truth, live from Base mainnet, for a fracti…

Listing info 80/100
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Use case: finance
Protocols: MCP
Pricing: Price not supplied by publisher

Remote MCP for 9192 discovery, pricebook, payment rails, GET_PULSE quotes, and receipt checks.

Listing info 65/100
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Cairn.ink Memory

official-mcp
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Cross-session memory for AI agents with a Source Receipt for every memory, over MCP.

Listing info 75/100
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FactStamp

official-mcp
Use case: finance
Protocols: MCP
Pricing: Price not supplied by publisher

Verify a company, figure or citation before you rely on it. Card or crypto; signed receipt.

Listing info 75/100
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Use case: finance
Protocols: MCP
Pricing: Price not supplied by publisher

Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.

Listing info 75/100
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HiveAttest

official-mcp
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Pre-action attestation perimeter for AI agents — 8 primitives, signed C18 receipt per call.

Listing info 65/100
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