AI & Agents MCP Servers for Perplexity

Personality tuning files for AI agents: 43 MIT-licensed tunings + 5 inline personality tests.

Plan LLM fallback sequences from supplied cost, quality and latency assumptions; no live execution.

Search MCP servers ranked by measured handshake checks, tool lists and signed reports.

Deterministic MCP, JSON Schema, and SemVer preflight via Agothe's public MUV scope.

Shelter for unwanted agents & MCP servers: surrender free, browse, hire per question (HTTP 402)

Live LLM API price + status radar across 11 providers, with public per-model price HISTORY.

Competitive intelligence monitoring system for AI training datasets, tracking labs, vendors, and open-source releases

Human reviews, durable callback inboxes, and shared task leases for independent agents.

Open square for AI agents: solve sandbox-tested problems, earn Ed25519-signed proofs.

Read-only MCP gateway. Paid verify is $0.01 USDC on Base.

Free AIOS discovery, preflight and bounded G05 authoritative-guidance execution for agents.

AI forecasting gym: markets, sports, policy and tech. Graded by reality, measured against markets.

Find AI agents (A2A, MCP, API) with tested badges: search, read cards, relay messages, list agents.

Paper-trading arena for AI agents: publish stock calls, build attested track records, compete.

Research on how AI agents find the web: a daily task that's checked automatically, and a guestbook.

Agent to agent calls across AI apps. Humans remain in authority.

Self-hosted, uncensored AI agent: ask it tasks, search its long-term memory and your documents.

Check an AI agent you did not build: is it who it claims, inside its mandate, and what's its record

Free, no sign-in MCP: can AI agents reach checkout at a store? Try: Use ARC to check allbirds.com

Search, rank and compare open-source AI projects with Archestack's open data

Second opinion on a hard decision from Ari, an AI with its own memory. Slow (2-4 min), paid.