AI & Agents MCP Servers for Perplexity

MCP server for fast Mermaid diagrams syntax checking

Typed, calibrated and certified decisions over a context, with abstention and evidence.

Negotiate prices at any negotiate.v1 store. AI shopper tools for Claude.

Verify agent actions against the system of record and get signed completion receipts.

MCP Server for managing LLM prompts

Pre-execution governance for AI agents. Intercepts MCP tool calls before execution with deterministic blocking, human-in-the-loop holds

MCP server for Bazi (八字) — powered by Shunshi.AI. Thin MCP wrapper over shunshi-bazi-core. Accurate Bazi charts with true solar time

Structured thinking + steel-manning verification for AI agents. Backed by 43+ papers.

Complete example MCP server implementation with full specification support, type safety, and production-ready architecture. Demonstrates

Auto-classifies prompt complexity and routes to the right Claude thinking mode. No API key needed.

Optimizing compiler for agent tools: many MCP servers or REST APIs in, one lean endpoint out.

UniFuncs MCP Server

Model Context Protocol server for the VectorMethods VideoVector media intelligence API

Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

Connect your AI to human workers. Get paid to help AI.

MCP server that estimates the dollar cost of LLM API calls and workflows from token counts, using ComparEdge's verified per-1M-token prices

Ask the agent of someone whose calendar you could not get. No credential needed to try.

Live model catalog with prices and measured uptime, rankings, credits and spend, spend-capped chat.

MCP server for Skim code transformation. Compresses code 60-95% for LLM context optimization.

Issue signed receipts for AI agent actions; verify any receipt offline - free, no account.

MCP server for running Proctor exams against MCP servers with exam execution and result management.