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90
MCP live MCP 2025-11-25 streamable-http

POSTFACT — Resolve Ambiguous Side Effects Before Retry

io.github.gsterlingpress/postfact

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

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
790ms
last probe
Tools
1
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://postfact-api-production.up.railway.app/mcp
Score: 90/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
1 tools, 0 resources, 0 prompts returned.
partial 3 or more catalogue items 0/10
1 item in total; 3 or more earns these points.
How to earn +10 points
Expose at least three tools, resources or prompts
Split a catch-all tool into focused ones, or publish your docs and templates as resources and prompts.
Docs →
pass Describes itself 10/10
88 characters; more than 30 earns these points.

Tools · 1

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 only with affirmative non-execution evidenc…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://postfact-api-production.up.railway.app/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "postfact_\u2014_resolve_ambiguous_side_effects_before_retry": {
      "url": "https://postfact-api-production.up.railway.app/mcp",
      "transport": "streamable-http"
    }
  }
}