B+

eurorackref.com

https://eurorackref.com/mcp
89/100 · MCP Trust Grade · checked 5h ago · MCP 2025-06-18
⚠ Rug-pull watch: this server's tool surface has changed 1× since baseline — last 6h ago. Continuously watched by wmcp.sh for drift & rug-pulls.

What it offers — 18 tools · Developer Tools

get_module

Return the full citation-anchored specification for one Eurorack module by id. Use this when the user names a specific module and you want its specs (

get_modules

Batched get_module — returns `{ modules: [...], errors: [...] }` with full citation-anchored specs for up to 25 modules in one call. Prefer this over

visualize_module

Module visualization tool. Use when the user wants to understand how a module's modes work, how parameters change between modes, or what a specific mo

search_modules

Search the corpus for Eurorack modules matching a combination of filters. Filters compose with AND. Omit any filter to leave that dimension unrestrict

search_manual

Full-text search across parsed module manuals, product pages, and firmware release notes. Use this only when the question is about content that lives

get_manual_chunk

Read one manual chunk by id to ground your answer in the manufacturer's documentation — the drill-in partner to get_module's manual_outline. Use it wh

find_compatible_with

Return modules that have a typed compatibility relationship with the given module. Both edge directions are returned and tagged via the per-match `dir

reachable_pairings

Given a rack (a set of module ids the user owns), rank the modules NOT in the rack by how many rack members they pair with. The set-level companion to

list_capabilities

Return the Eurorack capability taxonomy — either globally or scoped to one module. Use this before search_modules to discover the right capability ids

list_techniques

Return canonical synthesis / patching techniques with role-keyed module realizations drawn from the corpus. Use this when the user asks "how do I do X

find_role_realizations

For a (technique_id, role_id) pair, return modules that can fill the role, ranked by affordance match. Use this when the user has named a technique an

reachable_techniques

Given a rack (the module ids the user owns), return which canonical patch techniques the rack can realize, and which it is one module away from. The s

rack_redundancy

Call this when the user asks what they can SELL, remove, downsize, or trim — "what can I sell?", "which modules are redundant?", "what's doing double

lookup_concept

Return a canonical definition for a primitive Eurorack / synthesis concept and its relations to other concepts in the corpus. Use this for VOCABULARY

get_source

Return provenance metadata for one source by integer source_id. Sources include manufacturer manuals, product pages, firmware notes, schematics, errat

list_references

Return the source documents associated with one module — manuals, firmware notes, product pages, errata, and (in v2) field notes. Args: - module_id (s

draw_patch_diagram

Patch diagram tool. Use when the user describes routing across multiple Eurorack corpus modules. Renders modules as boxes laid out by wire topology (m

report_gap

Report when this MCP server couldn't fully answer a question. Not a query tool — calling this writes a feedback record. Call this proactively — withou

Spec conformance20%100
Security (OWASP MCP)30%100
Reliability / performance20%84
Tool hygiene15%80
Transparency / provenance15%70

Observed behavior

No proxied traffic observed for this host yet. Connect it at /connect and its grade gains a measured Reliability score + per-tool behavioral evidence — the half a static scan can't produce.

Findings

No blocking issues found in the static + spec checks.
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MCP Trust report card — eurorackref.com grade B+
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How this grade is computed. An open, independent rubric — Spec conformance (20%), Security mapped to the OWASP MCP Top 10 (30%), Reliability (20%), Tool hygiene (15%), Transparency (15%) — run by connecting to the server and inspecting its real MCP surface. The grade is free and identical whether or not the operator pays. v1 uses static + spec signals from a single connection; continuous uptime, real latency, and annotation-truthing (declared readOnly vs observed behavior) layer on via the wmcp.sh proxy.