MCP server

Robert Blust

ch.blust/mental-model

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Robert Blust: One model, true everywhere

At a glance

Type

MCP server

Publisher

blust.ch (verified by the MCP Registry)

Status

Working at last check

Tools

14

Token cost

About 3,308 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http mental-model https://mcp.blust.ch/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.mental-model]
url = "https://mcp.blust.ch/mcp"

Gemini CLI

{"mcpServers":{"mental-model":{"httpUrl":"https://mcp.blust.ch/mcp"}}}

Cursor

{"mcpServers":{"mental-model":{"url":"https://mcp.blust.ch/mcp"}}}

VS Code

{"servers":{"mental-model":{"type":"http","url":"https://mcp.blust.ch/mcp"}}}

Antigravity

agy mcp add mental-model https://mcp.blust.ch/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"mental-model","server_url":"https://mcp.blust.ch/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mental-model","server_url":"https://mcp.blust.ch/mcp"}

Tools

• describe_errors ~145 tokens
  What a refused call looks like. A tool's output schema covers its answers only, so use this once, to branch on refusals or validate them. No input. Returns `errors`, every `code` with `when` it is raised and the JSON Schema of its `details`, and `schema`, the JSON Schema of a whole refusal: `error`
• describe_relations ~196 tokens
  What the schemas declare between types: references with form and cardinality, ownership, enums, joins, list kinds. Use for a diagram or audit; for one type's full schema use describe_schema. Optional `type` narrows every list, `direction` (declares, declared-to, both; needs `type`) one side of relat
• describe_rule ~163 tokens
  One convention of the vocabulary as written, not a company's own rule (an entity of type `rule`: list_entities, get_entity). Input: `rule`, a number from list_rules such as R9, in either case. Returns `rule`, `title`, `part`, `text` and the file's `url`. An unknown number is refused with the known o
• describe_schema ~163 tokens
  One type's schema: its sections as written and its declared relations as data. Use to learn what an entity of the type may hold; for the whole vocabulary use describe_relations. Input: `type`. Returns `url`, the schema's own file, `sections`, and `relations`: owner, owns, references both ways, enums
• diagram ~470 tokens
  A picture of the model as Mermaid; edge data: list_references. Input: `shape`; `id`, `domain`, `type` or `unit` narrow it. aggregate, flow, lifecycle take a context's `id`; organization without `id` draws the company; system a landscape, holds its data; usecase, scenario a use case's; requirements a
• fetch ~141 tokens
  One entity's page as written. Use to quote or display the source; for structured fields and references use get_entity. Input: `id` or address, from search, list_entities or any reference. Returns `id`, `title`, `type`, `url` and `text`, the Markdown source. Takes no name: search with match "name" fi
• find_evidence ~272 tokens
  Every edge into one skill, grouped by the type of the page that drew it. Use to check a claimed skill against its evidence. Input: `skill`, an id, canonical name or address; optional `limit`, `cursor`. Returns `skill`, `evidence` and `page`; a profile's claim arrives via Skills.Skill with its level,
• get_entity ~214 tokens
  One entity as structured data: fields, sections, tables, references both ways. Use to reason over one; for its page as written use fetch. Input: `id` or address, where its page sits, or `type` and `name`; an ambiguous name is refused with candidate ids. Returns `entity`, by id. Reference lists hold
• list_checks ~138 tokens
  The checks the model's own gate runs, from the checker release this server was built with. Use to see which rules a script enforces and which are left to a reader. No input. Returns `checks`, each with `name`, `rule`, `title` and what it `reports`, a `failure` or a `note` that fails nothing, and `ra
• list_entities ~542 tokens
  Entities with their frontmatter's short facts, in address order or newest first. Use to browse, or for what runs on a date, came last or has a value; to find by words use search. Input: optional `type`, `owner`, `order`, `on`, `by`, `where`, `fields`, `limit`, `cursor`. Returns `entities` with `fiel
• list_references ~283 tokens
  The model's edges, filtered and paged. Use to inspect one entity's relations or one kind of reference without taking whole entities. Optional `entity` (an id or address), `direction` (out, in, both; needs `entity`), `via`, `type` (the far end's type, or either end's without `entity`), `limit`, `curs
• list_rules ~148 tokens
  The vocabulary's conventions the model is held to, R0 onwards, from its core's CONVENTIONS.md. Use to resolve a number a schema or refusal cites, such as R9. A company's own rules are entities of type `rule`: list_entities and get_entity. No input. Returns `tagline`, the file's `url`, and `rules`, e
• list_types ~114 tokens
  Every type the model's schemas declare. Use first, to learn which types exist before listing or describing one. No input. Returns `types`, each with `type`, `name`, `tagline`, `owner` (the type it nests under, or null) and `count`, the entities it holds.
• search ~319 tokens
  Find entities by words, substring or exact name. `match: "words"` needs every query word's stem in name, tagline, fields, sections or cells; `"text"` (default) is a case-insensitive substring over the same; `"name"` the exact canonical name. Optional `type`, `owner`, `limit`, `cursor`. Returns `resu

Browse

• Converting to Markdown
• Hiring and jobs

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