MCP serverio.github.fetchsandbox/mcp

A deterministic verification engine for agents.

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

UNRATEDActivestreamable-httpfetchsandbox.com

Overview

Score?

UNRATED 0.481

of what a free look can see, on 14 looks

Looks

last 18 hr ago

Tools

changed 4 days ago

URL

fetchsandbox.com/mcp/v1

streamable-http

Says it is

fetchsandbox 0.7.0

protocol 2025-06-18

In the record since

12 days ago

0median 0.606 · this server 0.481 · highest on record 0.8561

The tools this server lists, read out of the definition it returned
Tool	Schema
coach Conversational integration coach for FetchSandbox. Server-side orchestrator that walks the user through adding an API integration (payments / email / auth / etc.) — intake the goal	input · no output
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 you need to know wha	input · no output
list_workflows List the named, runnable workflows for a previously-imported spec. Workflows are realistic multi-step API journeys (e.g. 'create customer → attach payment method → create subscript	input · no output
quickrun Run a curated proof workflow against a KNOWN, bundled spec (stripe, clerk, descope, resend, twilio, and 50+ others) in ONE call — it spins up the sandbox by slug, so you do NOT nee	input · no output
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 (every request, response,	input · no output
validate_integration Start a validation session for the user's integration. quickrun and run_workflow execute OUR curated workflow against a twin — green there says the provider behaves as documented,	input · no output
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 probes at both, returni	input · no output

Verify it yourselfnpx teppi-check https://fetchsandbox.com/mcp/v1curl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M33TRARH4FMPSSAD1A3Z4MH0