# AI Tools Directory

> Curated index of 221 AI tools across 21 industries. Search by use case, department or pricing tier.

- name: top.toolboxes/ai-tools-directory
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 92/100
- quality: 79/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/top.toolboxes%2Fai-tools-directory
- tools: https://api.protogrid.dev/v1/servers/top.toolboxes%2Fai-tools-directory/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "ai-tools-directory": {
      "type": "http",
      "url": "https://ai-tools-mcp.toolboxes.top/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 99
- freshness: 85
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-97% ~updated-33d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 79/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 71 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- fail `tools.annotations`: no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: directory_stats (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); find_free_ai_tools (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_departments (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
- pass `tools.token_cost`: about 499 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 5, about 499 tokens to load them all
- tool set hash: daacf8fe2b91f876be4a27a2c20d7f68
- badge: [![protogrid quality](https://protogrid.dev/badge/top.toolboxes/ai-tools-directory.svg)](https://protogrid.dev/servers/top.toolboxes/ai-tools-directory)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://ai-tools-mcp.toolboxes.top/mcp (streamable-http, auth none, reachable true, uptime30d 0.974359)

## Packages

_none_

## Tools (5)

- `directory_stats`: Get summary statistics for the directory: tool count, department count, pricing distribution, and how many tools have auto-extracted free-tier facts.
- `find_free_ai_tools`: Find AI tools with a free tier, optionally filtered by auto-extracted facts (no credit card required, has a free plan, API available on the free tier). Free-tier facts are auto-extracted and unverified.
- `get_ai_tool`: Get the full record for one AI tool by name (exact match first, then fuzzy).
- `list_departments`: List all industry departments in the directory with the number of tools in each.
- `search_ai_tools`: Search the AI tools directory by free-text query, industry department, and/or pricing tier. Returns matching tools with name, URL, department, pricing tier and description.