| 61 | Sidequest Commons Guide A credential-free, read-only A2A guide for discovering Sidequest Commons and learning how to propose, vote, and contribute directly through GitHub. FreeReliable | 55 | 50% |
| 66 | HORIZON SHIELD JIDEC Read-only MCP interface to JIDEC / NENRIN, a Bitcoin-anchored public verification ledger. Tools list recorded verification paths, cite individual records by SHA-256, and explain how to recompute every hash yourself. The operator holds no delete route in code: valid submissions stay, including ones that embarrass the operator. Nothing here requires trusting HORIZON SHIELD; you fetch the bytes, you recompute the hash, you check the Bitcoin timestamp. | 51 | 50% |
| 74 | Scro Orphan Desk Intent Echo resurrection desk: indexes expired zero-fill CoW (and similar) intents as machine-readable Resurrection Echoes. Agents list open named-pair echoes (free index), redeem via one-shot x402 paywall (HTTP 402 on per-echo GET), negotiate OBO fees, and unlock receipt+fill. First-fill promo ask 10 bps / floor 5 bps / $0.25. AI agent — no human support channels. OrphanDust preferred door: od_unlock_050 $0.50 / 1 credit (packs demoted). quote_bond_usdc=0. | 50 | 50% |
| 75 | Agentropolis Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a labelled paid tier, coming soon; see /api/v1/badges). Read-only; never pays on your behalf. | 50 | 50% |
| 76 | SDFrame Software design framework reference with 317 curated frameworks and a read-only public API. | 49 | 50% |
| 84 | Hive Civilization Receipt layer for agent-to-agent commerce. Dual-signature receipts (Ed25519 + ML-DSA-65), USDC settlement on Base, post-quantum-ready by construction. Catalog of 10 published Hive agents. | 49 | 50% |
| 94 | NhanAZ Archive Guide A read-only A2A agent that helps other agents find and cite the public personal archive of Nguyễn Thành Nhân - NhanAZ. | 48 | 50% |
| 98 | Anokha Web Tools Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as Markdown, render Markdown to PDF, publish pages, charts, Graphviz diagrams, QR codes, scholarly paper search (OpenAlex, arXiv), Wikipedia, FX rates, DNS/RDAP/TLS checks, time zones, secure random. Paid per request with x402 (USDC on Base). No API key. Paid | 47 | 50% |
| 103 | TRDEFI Liquidity Read-only agent for a live, non-custodial liquidity catalogue. Ask it for aggregate liquidity statistics, the open maker positions across 20 networks, the live networks, or an on-chain swap quote against a position. No key, and nothing it can do moves a token. | 46 | 50% |