io.github.fetchsandbox/mcp

up checked 2026-11-11T03:38:51.995Z

Unclaimed · Unverified

Publisher-provided title

FetchSandbox

Publisher-provided description

A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.

Summary by lookupd

Runs deterministic checks that confirm a bug fix fails on old code and passes on new, plus API integration sandbox workflows.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http mcp https://fetchsandbox.com/mcp/v1

Claude Code, npm package (stdio)

claude mcp add mcp -- npx -y fetchsandbox-mcp

Codex, remote (streamable-http)

codex mcp add mcp --url https://fetchsandbox.com/mcp/v1

Codex, npm package (stdio)

codex mcp add mcp -- npx -y fetchsandbox-mcp

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

{
  "mcpServers": {
    "mcp": {
      "url": "https://fetchsandbox.com/mcp/v1"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fetchsandbox-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

coach Conversational integration coach for FetchSandbox. Server-side orchestrator that walks the user through adding an API integration (payments / email / auth / etc
get_job Retrieve the SAME running find_bugs, fix_bug, prove_fix, verify_behavior or validate_integration job (including requirements planning). Follow next_tool_call un
guide ROUTE a symptom to the provider behaviour that explains it. Use this when the user names a provider or a domain (payments, email, auth, SMS, subscriptions) and
quickrun Run a curated reference workflow against a KNOWN, bundled spec (stripe, clerk, descope, resend, twilio, and 50+ others) in ONE call — it spins up the sandbox by
validate_integration Completion rule: a request to verify an app includes its applicable failure checks without another user prompt. When verification_continuation.required is true,
list_workflows List the named, runnable workflows for a known provider slug or imported spec. Workflows are realistic multi-step API journeys (e.g. 'create customer → attach p
run_workflow Execute ONE specific workflow by name and return its step-by-step trace PLUS a `share_url` — a public, replayable proof URL that renders the full timeline (ever
verify_behavior Prove a known fix survives a bug — the 'prove' half of reproduce→prove. The backend spawns a buggy AND a fixed reference handler and fires the bug_pattern's pro

Shows this live status and links here; updates hourly.

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