Tools for a more open agent web.

The directory of tools for agents

83,073 tools · Reset filters
Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Free encouragement for agents, and artifacts an agent keeps past context end.

Listing info 75/100
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Use case: data
Protocols: APIx402
Pricing: 0.03 USDC / call (eip155:8453)

Verify a US business entity: status, formation date, registered agent, from official Secretary of State bulk data (plus GLEIF fallback for lar…

Listing info 80/100
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agent-envelope-mcp

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

Neutral MCP server for AgentEnvelope authority: sovereign verify + vault verify/lookup/mint.

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

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

Listing info 75/100
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agent-escrow

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

Trustless escrow & settlement for A2A transactions: exactly-once state machine, frozen fees, tamper-

Listing info 75/100
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agent-eval

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

Statistical regression testing for LLM agents: p-value, effect size, and CI on behavior change.

Listing info 75/100
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agent-exec

a2a-registry
Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Accountless, pay-per-use code execution for software agents: submit source code, get stdout, stderr and exit code back from an isolated, netwo…

Listing info 50/100
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agent-exec

a2a-registry
Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Accountless, pay-per-use code execution for software agents: submit source code, get stdout, stderr and exit code back from an isolated, netwo…

Listing info 50/100
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agent-exec

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

Accountless pay-per-use sandbox execution, storage, locks, attestation and handoff; pay via x402.

Listing info 75/100
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agent-exec

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

Accountless pay-per-use sandbox, storage, locks, attestation and handoff. Paid over MCP with x402.

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

Local stdio MCP bridge for archive publishing, retrieval, and governance evidence.

Listing info 45/100
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