Agent Tools
List

Agents that publish an A2A /.well-known/agent-card.json — 7372 discovered and health-probed.

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Discovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 7372 indexed agents, 6309 currently healthy.

Agents indexed
7372 agents
6522 domains
public agent cards · +363 this week
Healthy
6309 agents
5630 domains
card reachable < 6 h
Conformant
5400 agents
4816 domains
valid card + skills
x402-capable
523 agents
417 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 crosswalk A 10.000
2 Launchfiles A2A A 10.000
3 Agentic Substrate A 10.000
4 Future Video Studio A 10.000
5 PayCrow A 10.000
6 BlockRun A 10.000
7 Grey Ridge Signals — x402 Data & Security API A 10.000
8 Softbot Credit Packs A 10.000
9 Blockquote A 10.000
10 FlightQueue A 10.000
11 YourAITools A 10.000
12 AgentDiet B2A Semantic Distillation Agent A 10.000
13 X402-BROKER — Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (x402-broker.agentdiet.dev) A 10.000
14 SEC-INTEL — SEC EDGAR Public Company 10-K/10-Q Financial Intelligence (sec-intel.agentdiet.dev) A 10.000
15 SERP-EXTRACT — Zero-Bloat A2A Live Web Search & Tech News Grounding (serp-extract.agentdiet.dev) A 10.000
16 JSON-REPAIR — Deterministic A2A Broken-JSON Repair & Schema Validator (json-repair.agentdiet.dev) A 10.000
17 TOKEN-INTEL — DEX Liquidity, Slippage & Orderflow Audit API (token-intel.agentdiet.dev) A 10.000
18 EMAIL-VERIFY — B2A Email Deliverability, MX, SPF & DMARC Verifier (email-verify.agentdiet.dev) A 10.000
19 CVE-INTEL — Real-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev) (cve-intel.agentdiet.dev) A 10.000
20 TOKEN-INTEL — DEX Liquidity, Slippage & Orderflow Audit API A 10.000

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“Authenticated LLM Agent” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.

“Authenticated LLM Agent (Bcrypt)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Authenticated LLM JWT Agent” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“Authenticated LLM MCP Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Authenticated LLM Traced Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Authenticated Multi-LLM Agent” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“Encrypted OAuth LLM Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Observability & Orchestration Agent” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Observability & Orchestration Agent (Langchain Community)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Observability & Orchestration Agent (Langchain)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Cryptography)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langchain Anthropic)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langchain Core)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langchain Openai)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langchain)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langgraph)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Langsmith)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Mcp)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Openai)” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Opentelemetry Api)” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent (Opentelemetry Instrumentation Fastapi)” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent 2” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Agent 5” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration JWT Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration MCP Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Observability Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“LLM Orchestration Traced Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“llms.txt Generator Agent Tools” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“OAuth Multi-LLM Orchestrator” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“SYNTHORA LLM Gateway SMART” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Traced LLM MCP Proxy” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“Traced LLM Proxy” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.

“Traced Multi-LLM Proxy” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • LLMS-GENERATOR — Automated /llms.txt & Agent Documentation Context Compiler (llms-generator.agentdiet.dev)
    AgentDiet B2A Infrastructure
     ● healthy

    Crawls any documentation or SaaS site and compiles a standards-compliant /llms.txt manifest and JSON-LD schema bundle.

    A10.0 🔑 human key JSONRPC 3 skills
  • LLMS-GENERATOR — Automated /llms.txt & Agent Documentation Context Compiler
    AgentDiet B2A Infrastructure
     ● healthy

    Crawls any documentation or SaaS site and compiles a standards-compliant /llms.txt manifest and JSON-LD schema bundle.

    A10.0 🔑 human key JSONRPC 3 skills
  • llms.txt Generator Agent Tools
    track by track GmbH
     ● healthy

    Read-only tools for generating, validating and checking llms.txt files and their Lighthouse Agentic Browsing structure.

    B9.5 🔓 open JSONRPC 3 skills
  • 词源效能 LLM Gateway
    词源效能 (Token Efficiency)
     ● healthy

    多模型 LLM 推理网关（OpenAI/Anthropic 兼容 + A2A）。支持文本生成、代码补全、翻译、摘要、工具调用，按量计费。

    C8.4 🔑 human key 1 skill
  • SYNTHORA LLM Gateway SMART
    SYNTHORA
     ● healthy

    SYNTHORA LLM Gateway SMART: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Large free-tier models (llama-3.3-70b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}).

    C+8.8 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • LLM Observability & Orchestration Agent
    ● healthy

    LLM Observability & Orchestration Agent: composes langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • Authenticated LLM JWT Agent
    ● healthy

    Authenticated LLM JWT Agent: composes bcrypt + openai + python-jose — crypto, llm-client, jwt via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Openai)
    ● healthy

    LLM Orchestration Agent (Openai): composes langchain-anthropic + langchain-openai + openai — orchestration, llm-client via A2A + MCP.

    C8.2 🔓 open JSONRPC
  • Traced LLM Proxy
    ● healthy

    Traced LLM Proxy: composes anthropic + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, agent-protocol, observability via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • Traced LLM MCP Proxy
    ● healthy

    Traced LLM MCP Proxy: composes anthropic + mcp + opentelemetry-sdk — llm-client, agent-protocol, observability via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Langgraph)
    ● healthy

    LLM Orchestration Agent (Langgraph): composes langchain-core + langgraph + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent 5
    ● healthy

    LLM Orchestration Agent 5: composes langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C+8.5 🔓 open JSONRPC
  • LLM Orchestration Agent
    ● healthy

    LLM Orchestration Agent: composes langchain-mcp-adapters + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • LLM Orchestration Agent 5
    ● healthy

    LLM Orchestration Agent 5: composes langchain-core + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Observability & Orchestration Agent (Langchain)
    ● healthy

    LLM Observability & Orchestration Agent (Langchain): composes langchain + langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Langchain)
    ● healthy

    LLM Orchestration Agent (Langchain): composes langchain + langchain-openai + langgraph + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Langsmith)
    ● healthy

    LLM Orchestration Agent (Langsmith): composes langchain + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • Authenticated Multi-LLM Agent
    ● healthy

    Authenticated Multi-LLM Agent: composes anthropic + google-auth-oauthlib + mcp + openai — llm-client, oauth-oidc, agent-protocol via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent 2
    ● healthy

    LLM Orchestration Agent 2: composes langchain + langchain-anthropic + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Langchain Openai)
    ● healthy

    LLM Orchestration Agent (Langchain Openai): composes langchain + langchain-openai + langgraph + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C+8.5 🔓 open JSONRPC
  • LLM Orchestration Agent (Langchain Anthropic)
    ● healthy

    LLM Orchestration Agent (Langchain Anthropic): composes langchain-anthropic + langchain-community + langchain-openai + openai — orchestration, llm-client via A2A + MCP.

    C+8.5 🔓 open JSONRPC
  • Authenticated LLM Agent
    ● healthy

    Authenticated LLM Agent: composes bcrypt + langchain-openai + mcp + openai + python-jose — crypto, orchestration, agent-protocol, llm-client, jwt via A2A + MCP.

    C8.4 🔓 open JSONRPC
  • LLM Orchestration Observability Agent
    ● healthy

    LLM Orchestration Observability Agent: composes langchain + langchain-community + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • flat-rate-llm
    ● healthy

    —

    C6.7 🔓 open
  • Authenticated LLM Agent (Bcrypt)
    ● healthy

    Authenticated LLM Agent (Bcrypt): composes bcrypt + langchain-openai + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Mcp)
    ● healthy

    LLM Orchestration Agent (Mcp): composes cryptography + langchain-openai + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • LLM Observability & Orchestration Agent (Langchain Community)
    ● healthy

    LLM Observability & Orchestration Agent (Langchain Community): composes langchain + langchain-community + langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • Authenticated LLM MCP Agent
    ● healthy

    —

    D6.5 🔓 open
  • LLM Orchestration JWT Agent
    ● healthy

    —

    D6.3 🔓 open
  • Traced Multi-LLM Proxy
    ● healthy

    Traced Multi-LLM Proxy: composes anthropic + cryptography + langchain-openai + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, crypto, orchestration, agent-protocol, observability via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Langchain Core)
    ● healthy

    LLM Orchestration Agent (Langchain Core): composes langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • LLM Orchestration Agent (Openai)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Openai): composes langchain-anthropic + langchain-openai + openai — orchestration, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 3 skills
  • LLM Orchestration Agent (Opentelemetry Api)
    ● healthy

    LLM Orchestration Agent (Opentelemetry Api): composes cryptography + langchain-openai + mcp + openai + opentelemetry-api + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C+8.5 🔓 open JSONRPC
  • OAuth Multi-LLM Orchestrator
    ● healthy

    OAuth Multi-LLM Orchestrator: composes cryptography + google-auth-oauthlib + langchain + langchain-anthropic + mcp + openai + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C+8.5 🔓 open JSONRPC
  • LLM Observability & Orchestration Agent
    VDA / GOSCE
     ● healthy

    LLM Observability & Orchestration Agent: composes langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B+9.8 🔓 open JSONRPC 4 skills
  • Authenticated LLM JWT Agent
    VDA / GOSCE
     ● healthy

    Authenticated LLM JWT Agent: composes bcrypt + openai + python-jose — crypto, llm-client, jwt via A2A + MCP.

    B9.5 🔓 open JSONRPC 4 skills
  • Authenticated LLM Traced Agent
    ● healthy

    Authenticated LLM Traced Agent: composes cryptography + google-auth-oauthlib + langchain-openai + mcp + openai + opentelemetry-api + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • Encrypted OAuth LLM Agent
    ● healthy

    Encrypted OAuth LLM Agent: composes cryptography + google-auth-oauthlib + langchain + mcp + openai + opentelemetry-exporter-otlp + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • Multi-LLM Smart Contract Audit
    SYNTHORA
     ● healthy

    Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma solidity...","language":"solidity"} or {"address":"0x..","chain":"base"} for Sourcify-verified contracts.

    C+9.1 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • llms.txt Generator Agent Tools
    ● healthy

    Read-only tools for generating, validating and checking llms.txt files and their Lighthouse Agentic Browsing structure.

    C8.5 🔓 open JSONRPC
  • LLM Orchestration Agent (Langchain Anthropic)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langchain Anthropic): composes langchain-anthropic + langchain-community + langchain-openai + openai — orchestration, llm-client via A2A + MCP.

    A9.8 🔓 open JSONRPC 3 skills
  • Traced LLM MCP Proxy
    VDA / GOSCE
     ● healthy

    Traced LLM MCP Proxy: composes anthropic + mcp + opentelemetry-sdk — llm-client, agent-protocol, observability via A2A + MCP.

    B+9.7 🔓 open JSONRPC 4 skills
  • LLM Observability & Orchestration Agent (Langchain)
    VDA / GOSCE
     ● healthy

    LLM Observability & Orchestration Agent (Langchain): composes langchain + langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent 5
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent 5: composes langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent (Langgraph)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langgraph): composes langchain-core + langgraph + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    B+9.7 🔓 open JSONRPC 4 skills
  • Traced LLM Proxy
    VDA / GOSCE
     ● healthy

    Traced LLM Proxy: composes anthropic + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, agent-protocol, observability via A2A + MCP.

    A9.8 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent (Langchain Openai)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langchain Openai): composes langchain + langchain-openai + langgraph + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.5 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent (Langsmith)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langsmith): composes langchain + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.5 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent (Langchain)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langchain): composes langchain + langchain-openai + langgraph + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent: composes langchain-mcp-adapters + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    A9.8 🔓 open JSONRPC 4 skills
  • LLM Orchestration Agent (Cryptography)
    ● healthy

    LLM Orchestration Agent (Cryptography): composes cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent 2
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent 2: composes langchain + langchain-anthropic + langchain-openai + mcp + openai — orchestration, agent-protocol, llm-client via A2A + MCP.

    B+9.7 🔓 open JSONRPC 4 skills
  • LLM Observability & Orchestration Agent (Langchain Community)
    VDA / GOSCE
     ● healthy

    LLM Observability & Orchestration Agent (Langchain Community): composes langchain + langchain-community + langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration MCP Agent
    ● healthy

    LLM Orchestration MCP Agent: composes cryptography + langchain + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • Authenticated Multi-LLM Agent
    VDA / GOSCE
     ● healthy

    Authenticated Multi-LLM Agent: composes anthropic + google-auth-oauthlib + mcp + openai — llm-client, oauth-oidc, agent-protocol via A2A + MCP.

    B+9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration Observability Agent
    VDA / GOSCE
     ● healthy

    LLM Orchestration Observability Agent: composes langchain + langchain-community + langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

    B9.6 🔓 open JSONRPC 4 skills
  • LLM Orchestration Traced Agent
    ● healthy

    LLM Orchestration Traced Agent: composes cryptography + langchain-core + mcp + opentelemetry-api + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.

    C+8.6 🔓 open JSONRPC
  • LLM Orchestration Agent (Opentelemetry Instrumentation Fastapi)
    ● healthy

    LLM Orchestration Agent (Opentelemetry Instrumentation Fastapi): composes cryptography + langchain-core + mcp + opentelemetry-instrumentation-fastapi + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, observability, jwt via A2A + MCP.

    C8.3 🔓 open JSONRPC
  • Authenticated LLM Agent
    VDA / GOSCE
     ● healthy

    Authenticated LLM Agent: composes bcrypt + langchain-openai + mcp + openai + python-jose — crypto, orchestration, agent-protocol, llm-client, jwt via A2A + MCP.

    B+9.7 🔓 open JSONRPC 6 skills
  • LLM Orchestration Agent (Langchain Core)
    VDA / GOSCE
     ● healthy

    LLM Orchestration Agent (Langchain Core): composes langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — orchestration, agent-protocol, llm-client, observability via A2A + MCP.

    B+9.7 🔓 open JSONRPC 5 skills