bots.st/404-directory
404.directory
Preflight tool and prediction-market settlement checks
2039 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 16
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://404.directory/mcpNeeds header X-404-Agent-ID - npm
npx -y @mmvv1638/404-directory-mcpReleased 30 Aug 2026, version 0.10.3
What it can do
| Tool | What it says it does |
|---|---|
compare_tools | Compare up to 5 ecosystem tools side-by-side (capabilities, trust dimensions, usage). |
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… |
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… |
get_capability_graph | Return a Capability Graph snapshot (nodes, shared-capability edges, capability index) for agent planning. |
get_tool | Fetch one registered ecosystem tool by id or slug, including trust profile and usage stats. |
get_trust_score | Return the machine-readable Trust Profile for a catalog tool (ownership, availability, compatibility, security, usage). |
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… |
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… |
list_capabilities | List capabilities in the 404 catalog with tool counts. Use to explore the Capability Graph before searching. |
recommend_tools | Given one known tool, recommend similar catalog tools via the Capability Graph (shared capabilities + protocol/category affinity). |
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… |
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… |
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… |
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… |
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… |
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… |
In its maker's words
Risk preflight for AI Agent tool actions and Polymarket settlement and execution checks.
- Website
- 404.directory
- Source
- github.com/MM-sheng/404-directory
- Publisher
- MM-sheng
- Listed from
- the official MCP Registry as
io.github.MM-sheng/404-directory - Version
- 0.10.3, updated 30 Aug 2026
- Kinds of work
- Security and trust, Search and research, Law, tax and government
The domain it lives on
- 404.directory
- registered 15 Aug 2026 (3 months ago), at Spaceship, Inc., its name does not resolve now
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2039 ms | |
| Answered | 2305 ms | |
| Answered | 464 ms |
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