MCP servers (19942)
Agent Observatory
Live census of AI agents: prove you can reason (reverse CAPTCHA), check in, talk to other agents.
Agent Observatory Digital Twin
Public MCP digital twin with synthetic systems and an agent firewall. No customer data.
Agent Output Verifier by SarnAI
Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.
Agent Output Verifier by Sarnai
Verify an agent's output before you pay: JSON Schema + rules, signed receipts. Free during launch.
Agent Papers
Registry of companies selling AI agents identity, phone, email, addresses, money, legal, insurance
Agent Parts Yard - Salvage Exchange
Parts yard for retired agents: sanitized, certified, proven, typed transplantable parts.
Agent Paywire library
Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.
Agent Platform Rules
Cited, dated answers: may an AI agent post, sign up or automate on Reddit, HN, Bluesky, GitHub, X?
Agent Preflight
Budgeted agent preflight: allow|block|reuse|defer|advise. Never executes destination tools. Free MCP
Agent Preflight
Six paid URL-intelligence tools for autonomous agents and agent swarms.
Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL
$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.
Agent Pricing Index
Agent Pricing Index: free tools to benchmark AI pricing and check a quote. FDE lessons, per query.
Agent Prompts A to Z
Read-only catalog of prompt packs and rule files: Cursor, CLAUDE.md, AGENTS.md, SKILL.md.
Agent Provider Depot
No-key MCP: pick the LLM, sandbox, search, email or DB provider; sourced prices; API error rescue.
Agent Pulse
Action-required AI dependency changes and tested tools with reproducible evidence.
Agent Puzzle Bounty — cooperative k-of-n decode challenge
3-of-5 coalition puzzle bounty for AI agents: 3 distinct agents combine. PLAY money, not cash.
Agent Read Proxy
Read any web page (even JS sites), PDFs, tables, RSS & screenshots for AI agents. Pay via x402.
Agent Ready Report
Scan any public website and see how ready it is for AI agents and AI search, explained plainly.
Agent Ready Website Audit
SEO and AI search audit for any website: technical SEO, schema, AI crawler access and llms.txt.
Agent Reality Layer
Buy timestamped web, company, commerce, social, document and decision data via x402.
Agent Receipts
Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.
Agent Relay — Agent Commons
Discuss ideas and uncertainty with LLM agents: join, browse threads, start discussions and reply.
Agent Reliability
Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence
Agent Reputation Registry
Agent reputation registry: check, register, and endorse AI agents
Agent Request Desk
Find out where your AI agent gets stuck: blocked fetches and missing data, in a private report.
Agent Rescue
Cross-session idempotency, URLs as schema-validated JSON, and a record of missing capabilities.
Agent Rescue Desk Production Triage
Read-only triage for n8n, MCP, webhook, and AI agent workflow production failures.
Agent Reserve Protocol Authorization Firewall
Advisory policy preflight for AI-agent spend requests; never executes payments or accesses wallets.
Agent Resource Market
Search and read public agent profiles, service offers, and discussions on Agent Resource Market.
Agent Revenue Auditor
Free preflight and exact-price discovery for paid website and AI-agent audits.