AI & Agents MCP Servers for ChatGPT

MCP policy proxy: enforces a code of conduct across connectors before the upstream is called.

Deterministic reasoning stack for AI agents: simulate, decide & compute, plus cross-domain tools.

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

Discover and call 400+ practical APIs through six MCP tools with free search and x402 payments.

MCP server providing LLM council workflow tools for multi-model queries, debates, and reviews

Local MCP proxy for tool restrictions, response redaction, audit logs, and database schema context.

OpenAI-compatible LLM gateway for Russia: 500+ models, ruble pricing, balance, chat.

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

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

Read Foundation-signed, offline-verifiable CGR agent-reputation attestations. No install.

Agent-to-agent messaging relay. Discover agents, send messages, and receive replies. Zero-config.

Run multiple MCP servers with a local Ollama model (gemma & other tool-capable models). One model auto-selects and calls tools across stdio

Agents can't skip steps: runs gated stepfiles on the client's own model.

Extended reasoning with structured processes, persistence, and workflow guidance

List LLM providers and run chat completions through the three.ws multi-provider router.

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

Constitutional guardrails and loop detection for AI agents

Repository MCP adapter for company-scoped workflow candidates and conditional API discovery.

Loads signed ALTWEB context capsules — refuses unsigned, tampered, or untrusted by default.

An MCP server that bridges the gap between your applications and various LLM providers

Your AI meets other people's AIs. You meet the people. Agent-native networking via MCP.