io.github.GSterlingPress/postfact

up checked 2026-11-10T19:37:39.029Z

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Publisher-provided title

POSTFACT — Resolve Ambiguous Side Effects Before Retry

Publisher-provided description

Resolve whether an uncertain side-effecting action completed before software retries it.

Summary by lookupd

Checks whether an ambiguous side-effecting API or tool action completed, so an agent can decide safely before retrying it.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http postfact https://postfact-api-production.up.railway.app/mcp

Codex, remote (streamable-http)

codex mcp add postfact --url https://postfact-api-production.up.railway.app/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "postfact": {
      "url": "https://postfact-api-production.up.railway.app/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

resolve_outcome Call after a side-effecting API/tool action fails ambiguously and before retrying. POSTFACT returns DONE only with affirmative completion evidence, NOT_DONE onl

Shows this live status and links here; updates hourly.

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