ToolFit + MCPCheck
by FastDrop
Audit, pin and diff agent tool lists; preflight remote MCP servers. Free tier; x402 or credits.
Audit, pin and diff agent tool lists; preflight remote MCP servers. Free tier; x402 or credits. Official MCP Registry: co.youraitools/toolfit@0.1.0. Remote endpoint: https://api.youraitools.co/toolfit/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as co.youraitools/toolfit and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
If this is your server, claim the listing to edit it and take ownership. The registry index lists everything else still awaiting a probe.
Claim this listingTools this endpoint exposes
Read directly from the endpoint on 24 Oct 2026. Not supplied by the maker.
audit_toolsCheck the tool definitions an agent loads, before they cost tokens or fail: estimated tokens per tool, schema errors per provider (OpenAI, Anthropic, Gemini, Bedrock, MCP; add openai_strict for strict
diff_toolsWhat changed in a tool list since you approved it? Compares "tools" or "url" now with "pin" (set_id from audit_tools/diff_tools) or "baseline" (earlier definitions). Each change is labeled breaking (r
check_mcp_serverDoes this remote MCP server work, and is it worth connecting or paying for? Sends initialize and tools/list only (never calls a tool) and reports reachability, protocol version, sign-in method (OAuth
watch_mcp_serverHosted watch (paid only; this MCP call validates and returns how to pay): ToolFit re-audits a public remote MCP server every 24 h ($0.25) or 6 h ($0.60) for 30 days and POSTs an HMAC-SHA256 signed JSO
watch_statusFree: state (active, expired, cancelled), interval, expiry, next check, last result (pin, grade, score, tool count) and webhook delivery counters for a watch. Needs watch_id and the secret returned wh
watch_cancelFree: cancel a watch (no further checks or webhooks; not refunded). Needs watch_id and the secret returned when it was created.
Is this tool yours?
Claim this listing, then prove you own the domain with one DNS record: once it matches, the listing is yours right away.
Sign in to claim this listingSimilar launches
Matched on shared tags and the tools their MCP servers actually expose.
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
Shares tags: MCP server
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