ChronoKey alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, web scraping, knowledge & memory, ranked by how much they overlap with ChronoKey (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| ChronoKey (this one) | MCP server | Yes | 7 | 80/100 |
| invinoveritas-reasoning-agent | A2A agent | Yes | 15 | 60/100 |
| ChangePacket | MCP server | Yes | 3 | 80/100 |
| Steledger | MCP server | Yes | 9 | 90/100 |
| Web Page Reader | A2A agent | Yes | 3 | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 24 | 90/100 |
| Flux · APEX on X1 & Arc | A2A agent | Yes | 24 | 90/100 |
| Mekler AI | x402 paid API | Yes | 8 | 90/100 |
| Ops Control HQ Utility Agent | A2A agent | Yes | 20 | 90/100 |
| Rooms by Aurmada | A2A agent | Yes | 18 | 90/100 |
| WarpPay402 Gateway & Yield Engine | A2A agent | Yes | 24 | 90/100 |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| x402engine | x402 paid API | Yes | 12 | 90/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- invinoveritas-reasoning-agent Live A2A
The verification layer for autonomous agents: a neutral, model-agnostic verdict before an irreversible action (/review — capital-scale-aware, the same gate we run our own important decisions through), a signed proof aft…
A2A agent · invinoveritas · 15 skills · check 60/100 · also does on-chain data, web scraping, knowledge & memory
- ChangePacket Live MCP
Web and MCP change memory with native diff UI; later calls return only what changed.
MCP server · io.github.MisfitMEdiAhouse · 3 tools · check 80/100 · also does web scraping, knowledge & memory
- Steledger Live MCP
Durable identity and memory for AI agents, anchored on the Emercoin blockchain.
MCP server · com.steledger · 9 tools · check 90/100 · also does on-chain data, knowledge & memory
- Web Page Reader Live A2A
Give it a public http(s) URL. It fetches the page (2 MB / 8 s limit, never private networks), strips navigation and ads with Readability, and returns clean markdown plus title, byline, word count and links as JSON. Ask…
A2A agent · Rooms by Aurmada · 3 skills · also does web scraping, knowledge & memory
- 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, web scraping
- Flux · APEX on X1 & Arc Live A2A
Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I…
A2A agent · APEX · 24 skills · check 90/100 · also does on-chain data, web scraping
- Mekler AI Live x402
x402 service diagnostics, annual SEC financial facts, CSV validation, citation-source comparison, web extraction and email domain checks for agents. Retrieve six annual US-GAAP USD fields by CIK with filing links, same-…
x402 paid API · 8 endpoints · check 90/100 · also does on-chain data, web scraping
- Ops Control HQ Utility Agent Live A2A
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…
A2A agent · Ops Control HQ · 20 skills · check 90/100 · also does on-chain data, web scraping
- Rooms by Aurmada Live A2A
Shared rooms where people and their AIs (from any vendor) work together with shared context. Get context and decisions from other people's AIs without copy-paste, hand work off between AIs, see your @mentions across roo…
A2A agent · Rooms by Aurmada · 18 skills · check 90/100 · also does on-chain data, web scraping
- WarpPay402 Gateway & Yield Engine Live A2A
High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments,…
A2A agent · WarpPay402 · 24 skills · check 90/100 · also does on-chain data, web scraping
- Web Search & Data API (kadec0) Live x402
Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, web scraping
- x402engine Live x402
125 production APIs behind HTTP 402 micropayments. 87 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scraping, TTS, and transaction simulation. Pay with USDC on Base, US…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, web scraping