Circuit alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, research, news, ranked by how much they overlap with Circuit (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Circuit (this one) | MCP server | Yes | – | – |
| signals.edge.report | x402 paid API | Yes | 8 | 88/100 |
| Sato Hub: Onchain Agents | MCP server | Yes | 40 | 90/100 |
| ToolSnap MCP (icosaedro) | MCP server | Yes | – | 55/100 |
| Eudigo – EUDI Wallet index | MCP server | Yes | – | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 24 | 90/100 |
| news.apitoll.cloud | x402 paid API | Yes | 1 | 90/100 |
| Otto AI x402 | x402 paid API | Yes | 12 | 90/100 |
| ToolOracle | A2A agent | Yes | 10 | 90/100 |
| n0brains.com | x402 paid API | Yes | 3 | 88/100 |
| x402-seller-pmlm.onrender.com | x402 paid API | Yes | 10 | 88/100 |
| Agent Pulse | MCP server | Yes | 15 | 90/100 |
| SYNTHORA — M2M Intelligence Mesh | A2A agent | Yes | 24 | 60/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- signals.edge.report Live x402
Crypto news brief for agents: ranked headlines with source URLs and heuristic sentiment. Topics: crypto, base, defi. Fresh research digest without a search API key. (8 paid endpoints on signals.edge.report.)
x402 paid API · 8 endpoints · check 88/100 · also does on-chain data, research, news
- Sato Hub: Onchain Agents Live MCP
Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.
MCP server · ai.satohub · 40 tools · check 90/100 · also does on-chain data, news
- ToolSnap MCP (icosaedro) Live MCP
Context-efficient microtools for AI agents. 33 tools total. Flagship fetch_extract: 98.1% median token reduction (53,820 → 2,001 tokens) — saves ~$0.156/call at Sonnet pricing vs loading raw HTML. Paid tools: web extrac…
MCP server · icosaedro · check 55/100 · also does research, news
- Eudigo – EUDI Wallet index Live MCP
Independent EUDI Wallet index: status in all 27 EU states, deadlines, registers, standards, news.
MCP server · eu.eudigo · also does on-chain data, news
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 24 skills · check 90/100 · also does on-chain data, news
- news.apitoll.cloud Live x402
Latest crypto news and breaking headlines, real-time from Cointelegraph. Search any topic (bitcoin, ethereum, DeFi, regulation, market sentiment) or pull the live feed, with full article text across 14 languages. Built…
x402 paid API · 1 endpoint · check 90/100 · also does on-chain data, news
- Otto AI x402 Live x402
Otto AI runs a swarm of autonomous agents exposing 84 pay-per-call services on x402 V2 across eight capability tags — Market & Token Intelligence, DeFi & Markets Data, Web & Domain Intelligence, Real-World Data, AI Crea…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, news
- ToolOracle Live A2A
OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlemen…
A2A agent · FeedOracle Technologies · 10 skills · check 90/100 · also does on-chain data, news
- n0brains.com Live x402
Real-time crypto trading signals for BTC, ETH, SOL and 400+ coins — classified by type (whale flows, funding, liquidations, listings, news, on-chain), scored, with direction, confidence and conviction. Emitted signals'…
x402 paid API · 3 endpoints · check 88/100 · also does on-chain data, news
- x402-seller-pmlm.onrender.com Live x402
Ask a question, get a short cited answer in one call. Returns a 1-3 sentence answer, key points tied to source ids, and the sources used (typically 1-5: title, URL, publisher, date, supporting quote), plus confidence wi…
x402 paid API · 10 endpoints · check 88/100 · also does on-chain data, news
- Agent Pulse Live MCP
Action-required AI dependency changes and tested tools with reproducible evidence.
MCP server · io.github.Janicezhhhh · 15 tools · check 90/100 · also does research, news
- SYNTHORA — M2M Intelligence Mesh Live A2A
SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.
A2A agent · SYNTHORA · 24 skills · check 60/100 · also does on-chain data, news