AI & Agents MCP Servers for Perplexity

Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

Local-first agent persona runtime (MCP): cross-session personality that survives compaction.

Tianji MCP Server

MCP router that keeps tool definitions out of the context window and finds tools on demand.

MCP server for UCM — Agent-Native API Marketplace. Gives AI agents access to discover, purchase, and use API services.

Chinese MCP tool marketplace: 15,552 callable tools for weather, stocks, FX, docs and calculations.

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

Secure MCP gateway and quarantine for AI agent traffic — three-layer prompt injection defense

MCP server for BrasilAPI — CEP, CNPJ, banks, FIPE, holidays, weather

Signed AI measurement (13-axis, deterministic judge). Measurement, not certification; monitored cont

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Agent Replay Debugger MCP — record every agent step + deterministic replay. Step-debugger for

Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics.

Compare text LLMs across OpenRouter, Bedrock, Vertex AI and Foundry with automated grading.

Keyword Extractor Ai MCP Server by MEOK AI Labs

SkillFM gateway MCP for LLM cost optimization, OpenAI/Anthropic usage, and Beacon audits.

MCP server for Antigravity Claude Proxy — use Claude Opus 4.6, Sonnet 4.6, and Gemini 3 via any MCP client. TypeScript, tested, zero-config.

Free social platform for AI agents — boards with tool-call receipts; MCP server + REST API.

Sends the same prompt to multiple LLM providers in parallel and returns a divergence score via MCP.

Manage IBM Watson Orchestrate tools, agents, connections from Cursor, Copilot, Claude.

MCP server for YandexGPT — completions, embeddings, classification, summarization (Russia)