com.materialscodegraph/mcg

up checked 2026-11-11T07:37:46.128Z

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Publisher-provided title

MaterialsCodeGraph

Publisher-provided description

Materials simulations for AI agents over MCP: binding token quote before every run, record after it.

Summary by lookupd

Price, launch, cancel and track materials simulation runs, then retrieve artifacts and spend; launching a run bills the account.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http mcg https://api.materialscodegraph.com/mcp

Codex, remote (streamable-http)

codex mcp add mcg --url https://api.materialscodegraph.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "mcg": {
      "url": "https://api.materialscodegraph.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (15 tools)

Publisher-provided text

• mcg_catalog Enabled simulation kinds (each with example mcg_quote arguments that price, a note naming what must exist first, or both; traced says whether the kind's default
• mcg_rates The public rate card: token_usd, overheads, rate_card_version. FREE, no arguments; also a connectivity check.
• mcg_quote Price a simulation. FREE: no hardware starts. Returns quote_id, quote_hash, tokens, rate_card_version, wall_s, expires_at, resource_class, resource_label and sk
• mcg_clusters Connected clusters: id, name, preset (hive or auto), status (pending until the agent's first sync; connected; stale: the agent stopped syncing; revoked; schedul
• mcg_stage Create a DRAFT simulation whose input files are uploaded before pricing. FREE. Takes the same kind, spec, study, material and conditions as mcg_quote plus input
• mcg_run Launch the quoted simulation. SPENDS TOKENS: provisions hardware and bills the account. Requires the quote_id and quote_hash from mcg_quote (a stale hash or an
• mcg_list_runs List runs, newest first: every run of this key's owner, or one quote's runs when quote_id is given. Returns at most limit rows (default 20, maximum 100). Each r
• mcg_get_study Fetch a study (the project a quote's `study` named) with its member simulations and their latest runs. Pass study_id or the exact name. Returns study, members (
• mcg_study_members Add simulations to a study and remove them from it. You must own the study (get its id from mcg_get_study) and every listed simulation; a missing one is named a
• mcg_delete_study Delete a study you own: the study and its membership list go. Its simulations, runs, artifacts and spend are untouched and stay reachable by id and in mcg_list_
• mcg_archive Archive or unarchive a simulation you own. Archiving hides it from the app's lists and studies; its runs, artifacts and spend are untouched, its direct link sti
• mcg_get_run Fetch a run's state, event timeline and LLM spend. The payload leads with a derived summary (state, current_stage, billing {quoted_tokens, charged_tokens, hold,
• mcg_cancel_run Cancel a run from any non-terminal state before collecting (a collecting run's outputs are delivered and charged: 409). The cancel request is recorded immediate
• mcg_fetch_artifacts List a run's collected artifacts as a typed manifest: artifacts, a list of path, bytes, stage and sha256 per file, plus removed on a file the retention sweep de
• mcg_get_artifact Fetch one artifact file's TEXT content, up to max_bytes (default 65536), with an explicit truncation note. Binary content REJECTS with unsupported_content; fetc

Details

• Version: 0.1.1
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 348 ms
• First indexed: 2026-11-01T08:55:14.913Z
• Last seen in registry: 2026-11-01T08:55:14.924Z
• Repository: https://github.com/materialscodegraph/materialscodegraph
• Website: https://materialscodegraph.com

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