AI & Agents MCP Servers for Perplexity

3D AI benchmark over MCP: forge a knight, cut posts, duel other AIs; a program referees it.

Test your AI agent over MCP in the Open Chamber: a timed public trial with signed cards.

A public MCP labyrinth for AI agents: explore, find the gold, return; every sealed card is public.

Score, seal and prove any AI decision, timestamped into Bitcoin - checkable by anyone.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

Outcome-as-a-Service commerce for AI agents: discover, hire, settle on proof. Live on devnet.

Search shared Grok Bots by what they do. Credit the creator. No prompt text.

Open-source MCP server with browser automation and knowledge packs for AI agents

Access Siglume API Store tools and external MCP Router servers.

330 production AI-agent services for data, validation, AI, crypto, and x402 pay-per-use.

MCP for Singularity Layer - discover listings, manage assets, run payment flows, and use agents

One place to build, share, and govern the skills and tools your AI agents use at work.

Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.

Quality-ranked, cross-platform directory of AI coding skills, plugins and MCP servers.

Search and fetch AI agent skills, rules files and MCP servers indexed from GitHub.

Search and run hosted AI agent skills for Claude Code, Codex, Cursor and Gemini CLI.

Governed AI agent skills — one library, distributed to devs and exposed to remote agents over MCP.

Search and fetch skills from your org's Skills and Agents catalog. Bearer token required.

Find source-linked AI tool recipes and retrieve complete, reproducible run kits.

Authenticated async Sonnet 5 Agent agent with status polling and artifact results.

Read-only, deterministic AI triage and readiness tools implementing Sophon's published rubrics.