Lethonium
Adapter-based, business-tuned embeddings: instantly hot-swap stance, retrieval, and classification on any domain data. Fine-tune adapters in minutes, deploy anywhere.
https://lethonium.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://lethonium.com/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 14, 2026 · lethonium.com
2tools discovered
Discover
Find what to query and how, in one shot. Given a plain-English question, this returns the top-matching (Type, field) paths AND a self-contained slice of the SDL that includes every type the agent needs to compose a runnable GraphQL query — the parent types, the fields' output types, transitively-referenced sub-types, and all argument input types (enums, input objects). Pair with `execute_query` — those two are the entire MCP surface. Index is built once per server process from the live SDL. Em
Execute Query
Execute a GraphQL query through the Lethonium proxy. Returns the standard `{ data, errors, extensions }` envelope. The proxy bundles, parallelizes, caches, and governs upstream calls — callers should never think about underlying REST endpoints. Safety guards applied here: • only `query` operations are accepted (no mutations/subscriptions); • the query string is size-capped; • selection-set depth is bounded. Args: query: a GraphQL query string. variables: optional variables object (d
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsAdapter-based, business-tuned embeddings: instantly hot-swap stance, retrieval, and classification on any domain data. Fine-tune adapters in minutes, deploy anywhere.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
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This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
MCPBundles probed 2 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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