Best Pigeon alternatives
8 tools that solve the same problem as Pigeon, ranked by how they are performing in the directory.
Ratify Agent Relay Harness
github.comOffline, one-command reproduction harness + adversarial annex for the Agent Relay x Ratify Phase 2 flagship.
- AI Agents
- Developer Tools
Shelfprotocol
github.comrobots.txt for commerce — the open directory AI agents query before they buy - Signal-All/shelfprotocol
- Developer Tools
- AI Agents
Experiential
github.comAn open source model gateway that provides one control plane across closed, open-source, local, and custom models.
- Developer Tools
- AI Agents
- Open source
Unitpost
unitpost.comEmail component library that works in Outlook, Gmail, and Apple Mail.
- Developer Tools
- AI Agents
Markdown Gatekeeper
github.comLocal-first authority layer for organizing Agent-facing Markdown - nanlogic/markdown-gatekeeper
- Developer Tools
- AI Agents
TDQS
tdqs.devAn open framework for scoring how well an MCP tool definition communicates to an AI agent.
- Developer Tools
- AI Agents
Declick
github.comCompile an API, an MCP server, a database or a web page into a CLI your agent can run.
- Developer Tools
- AI Agents