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MCP Mat

Headless Eclipse MAT MCP server for Java heap dump analysis

Connector by codelipenghui · GitHub account verified by the MCP Registry

IndexedApache-2.0Local (stdio)★ 26
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/codelipenghui-mcp-mat

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Headless Eclipse MAT MCP server for Java heap dump analysis

Reviews

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No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
3 read · 0 write · 1 delete · 2 not yet classified
Secrets
None asked for
Install scripts
Not scanned yet
Runs as
Node.js package

Tools by what they do 6

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

  • mat_healthcheck
  • mat_index_status
  • mat_oql_spec

Delete 1 · Delete, drop, revoke or wipe things.

  • mat_run_command

Not yet classified 2 · We could not tell from the name and description.

  • mat_oql_query
  • mat_parse_report

Secrets and settings it asks for

Other settings (environment variables or headers).

  • JAVA_PATH
  • MAT_HOME
  • MAT_XMX_MB

Tools (6)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • mat_healthcheck

    Validate MAT launcher and Java runtime availability.

  • mat_index_status

    Report whether MAT index artifacts already exist for a heap dump.

  • mat_oql_query

    Execute a single MAT OQL query and return result artifacts.

  • mat_oql_spec

    Return MAT OQL parser-mode guidance, supported patterns, and known limitations.

  • mat_parse_report

    Run a predefined MAT report headlessly and return generated artifacts.

  • mat_run_command

    Execute a named MAT analysis command headlessly and return result artifacts. Supports 56 built-in commands including: dominator_tree, path2gc, merge_shortest_paths, histogram, thread_overview, thread_details, collection_fill_ratio, gc_roots, find_strings, component_report, system_properties, and many more. Use mat_oql_query for OQL queries instead.

Signals

Stars
26
Forks
5
Open issues
1
Last commit
Mar 19, 2026 (7 months ago)
Last release
Mar 19, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.codelipenghui/mcp-mat
Version
0.1.0
Auth
No auth
Packages
npm mcp-mat
License
Apache-2.0
Repository
github.com/codelipenghui/mcp-mat
First seen
Oct 24, 2026
Last checked
Oct 25, 2026
Source
Official MCP Registrygithub-graphql
Cite this page

MCP Mat. Agent Mart. https://agentmart.dev/connectors/codelipenghui-mcp-mat (last updated 2026-10-25)