Name: Robert Blust
Author: blust

Robert Blust MCP

Robert Blust: One model, true everywhere

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What it does

Robert Blust: One model, true everywhere

Quickstart

# 1 — add it to Claude Code
claude mcp add --scope user --transport http robert-blust-mcp https://mcp.blust.ch/mcp

# 2 — ask your agent for something these tools do
#   list_types, describe_schema, describe_relations and 11 more

Robert Blust costs nothing on mcprush: there is no plan to choose here, no cap to set and nothing mcprush can bill you for.

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Tool surface

What the model actually sees. Descriptions are diffed on every release — see version history.

Only tools that write or reach the network

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.

No parameter schema on file.

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, joins and lists.

Parameter	Type	Required	Notes
type	string	yes	A type name from list_types, such as skill

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 relations, via relations and enums. Returns those lists, with forms and reading explaining every te

Parameter	Type	Required	Notes
type	string	no	—
direction	string	no	—
via	string	no	—

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, each with rule, title and part; describe_rule gives one rule's text.

No parameter schema on file.

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 ones listed.

Parameter	Type	Required	Notes
rule	string	yes	A convention's number from list_rules, such as R9

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 ranBy. This server runs none of them.

No parameter schema on file.

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 with code, message, rule, details, beside model.

No parameter schema on file.

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 fields, and page; follow page.nextCursor while page.hasMore.

Parameter	Type	Required	Notes
type	string	no	A type, to keep its entities; leave it out to list every type
owner	string	no	An owner's id or address, to keep its entities
order	string	no	address, where the pages sit, by default; newest or oldest, by when each entity came into the model, or by the date by names
on	string	no	A date, YYYY, YYYY-MM or YYYY-MM-DD: keep the entities whose period, start to end, holds it; an absent end is still running
by	string	no	A date field, such as start or decided, to order by in the direction order names
where	object	no	Field values to keep, ignoring case, by field name; a reference matches by the name its page writes
fields	array	no	Fields to add by name beside the short ones every entity carries, such as an array
limit	integer	no	Entries per page: 50 by default, clamped to 1–200, so 0 returns one entry and 1000 returns 200.
cursor	string	no	page.nextCursor from the previous answer, sent with the same arguments; omit it for the first page.

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 at most 50 edges; referenceCounts gives totals, list_references the rest.

Parameter	Type	Required	Notes
id	string	no	The entity's id, as any answer gives it, or its address, where its page sits
type	string	no	—
name	string	no	The canonical name, the entity's H1; needs type

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, cursor. Returns edges, each from, via, to, attrs, and page.

Parameter	Type	Required	Notes
entity	string	no	—
direction	string	no	—
via	string	no	—
type	string	no	—
limit	integer	no	Entries per page: 50 by default, clamped to 1–200, so 0 returns one entry and 1000 returns 200.
cursor	string	no	page.nextCursor from the previous answer, sent with the same arguments; omit it for the first page.

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, an evidence row via Evidence.Skill. Attributes are verbatim.

Parameter	Type	Required	Notes
skill	string	yes	The skill's id, canonical name or address
limit	integer	no	Entries per page: 50 by default, clamped to 1–200, so 0 returns one entry and 1000 returns 200.
cursor	string	no	page.nextCursor from the previous answer, sent with the same arguments; omit it for the first page.

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 results with id, title, type, matched, words in words mode, and page: name matches first, t

Parameter	Type	Required	Notes
query	string	yes	—
match	string	no	—
type	string	no	—
owner	string	no	An owner's id or address, to keep its entities
limit	integer	no	Entries per page: 50 by default, clamped to 1–200, so 0 returns one entry and 1000 returns 200.
cursor	string	no	page.nextCursor from the previous answer, sent with the same arguments; omit it for the first page.

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" finds the id.

Parameter	Type	Required	Notes
id	string	yes	—

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 feature's, product's, use case's or requirement's. Returns mermaid, nodes, links, units, co

Parameter	Type	Required	Notes
shape	string	yes	—
id	string	no	The process, the entity at a neighborhood's middle, the bounded context of a context map, or the aggregate or bounded context of an aggregate, flow or lifecycle picture, the group an organization is n
domain	string	no	A domain's id or address, to draw its concepts
type	string	no	A type, to draw its schema and the types it is declared with
unit	string	no	core or a pack, to draw that unit's types and what they declare; a meta-model too large to draw whole is drawn as core, and units in the answer names every unit

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Runs at its publisher’s own address — this marketplace is not in the path
Nothing to cap, because mcprush bills nothing

Nothing here is billable: mcprush charges nothing to install Robert Blust or to call it, at any volume.

Where are you running it?

Tool surface

Release history

Robert Blust MCP

What it does

Quickstart

Where are you running it?

Tool surface

What counts against your monthly calls

Release history

See also