# Protologue

> Sourced, citable definitions of prompting and LLM techniques, with relations and primary sources.

- name: com.protologue/protologue
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 96/100
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.protologue%2Fprotologue
- tools: https://api.protogrid.dev/v1/servers/com.protologue%2Fprotologue/tools

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

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "protologue": {
      "type": "http",
      "url": "https://mcp.protologue.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 100
- provenance: 85
- drivers: +repository +dns-namespace +website +reachable +uptime-100% +updated-9d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 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: 100 (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
- pass `tools.annotations`: 4 of 4 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 432 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`: 4 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: 4, about 432 tokens to load them all
- tool set hash: f9f2bc794c812b3465af273276c72352
- tools last changed: 2026-10-18T06:38:47.960Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.protologue/protologue.svg)](https://protogrid.dev/servers/com.protologue/protologue)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-18 `list_categories` changed (annotations)
- 2026-10-18 `get_related` changed (annotations)
- 2026-10-18 `get_term` changed (annotations)
- 2026-10-18 `search_terms` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/com.protologue%2Fprotologue/changes

## Remotes

- https://mcp.protologue.com/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (4)

- `get_related`: List the techniques Protologue links to a given technique: broader (it is a kind of), narrower (kinds of it) and related.
- `get_term`: Get the full Protologue entry for one technique: definition, description, synonyms, introduction year, primary sources, canonical URL, permanent identifier and a ready-made citation. Accepts a name, synonym, slug (e.g. 'react') or identifier (e.g. 'PTL-0058').
- `list_categories`: List Protologue's branches (categories) and the techniques in each.
- `search_terms`: Search Protologue for prompting and LLM techniques by name, synonym or keyword. Returns matching entries with their one-sentence definitions and canonical URLs.