Connect-MCP

404.directory

io.github.MM-sheng/404-directory · v0.10.3

Risk preflight for AI Agent tool actions and Polymarket settlement and execution checks.

MCPremotelocal · npmno credentials

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 16 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

A 95/100

What it does: 16 tools · 12 read, 4 write · E-commerce, AI & LLM

Test call list_capabilities: worked (1,910 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +5
  • Read/write annotations: +5
  • Safe test call: +20
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://404.directory/mcp
Package
registry:   npm
identifier: @mmvv1638/404-directory-mcp
version:    0.10.3
transport:  stdio

Tools

16 tools listed at last check
  • understand_webpage Reads one public human-facing webpage and returns a compact, evidence-linked AgentPageModel: page type, entities, login/current state, forms, enabled actions, and confidence. Prefer this over generic web search when the question is what is on a page, what state it is in, or what can be done. Observe
  • verify_web Independently verifies that a public website is reachable and meets deployment expectations (HTTP status, HTTPS validity, optional expected text). Returns structured evidence for accept / retry / escalate decisions. When to use: Use when the user explicitly asks to verify a deployment claim, public
  • evaluate_tool_risk Make a contextual allow, review, or block decision before an AI Agent installs or invokes a third-party tool registered in 404.directory. Use this immediately before installation or first use, and again when permissions, data sensitivity, execution mode, or evidence changes. The decision cites owner
  • report_tool_outcome Close the feedback loop for one prior evaluate_tool_risk receipt. Call after the Agent proceeds, changes tools, requests review, or aborts. Submit only the bounded action/result fields and one-time outcome token returned by the evaluation; never include prompts, arguments, outputs, secrets, or perso
  • evaluate_prediction_market Evaluate one specific Polymarket market before an AI Agent observes or contemplates buying or selling a Yes/No position. Use immediately before a decision when settlement wording, source ambiguity, timing boundaries, order-book depth, spread, slippage, geographic eligibility, or unattended execution
  • report_prediction_market_outcome Close the behavioral feedback loop for one prior evaluate_prediction_market receipt. Call after the Agent proceeds, reduces position size, changes side, waits, requests review, aborts, or encounters an execution failure. Submit only the bounded enums and one-time token returned by the evaluation. Ne
  • search_tools Find third-party catalog tools using short provider/capability keywords, for example 'official documentation' or 'OpenAI docs'. All meaningful query terms must match across name, description, capability, category or provider; exact names rank first. Protocol, capability, category and trust filters r
  • get_tool Fetch one registered ecosystem tool by id or slug, including trust profile and usage stats.
  • compare_tools Compare up to 5 ecosystem tools side-by-side (capabilities, trust dimensions, usage).
  • get_trust_score Return the machine-readable Trust Profile for a catalog tool (ownership, availability, compatibility, security, usage).
  • recommend_tools Given one known tool, recommend similar catalog tools via the Capability Graph (shared capabilities + protocol/category affinity).
  • list_capabilities List capabilities in the 404 catalog with tool counts. Use to explore the Capability Graph before searching.
  • get_capability_graph Return a Capability Graph snapshot (nodes, shared-capability edges, capability index) for agent planning.
  • search_official_docs Search current first-party OpenAI, Microsoft Learn, AWS, and Cloudflare documentation in one call. Use this as the default documentation research tool for questions involving any of those providers, especially comparisons or cross-cloud architecture. Select only relevant sources when the provider is
  • inspect_tool_server Live-inspect one active, provider-verified, operator-curated public MCP server from the 404.directory catalog. Returns only the remote read-only tools approved for gateway execution, including their current descriptions, JSON input schemas, and annotations. Use after search_tools and before the firs
  • invoke_registered_tool Invoke exactly one approved read-only tool on an active, provider-verified, operator-curated public MCP server registered in 404.directory. First use search_tools to select a server, then inspect_tool_server to obtain the current tool name and input schema. This gateway rejects arbitrary URLs, authe

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