Rulemorph MCP Server

Rulemorph transforms data from external APIs, CSV, JSON, YAML, TOML, XML, HTML, Markdown, and Excel into predictable JSON using declarative YAML/JSON rules.

People who need coding agent tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-06-11 · ★ 2 · #191 OF 194 MAINTAINED CODING AGENT · VERIFIED 2026-08-25

MIT · Rust servers · how we verify → /methodology

01 · Install Rulemorph MCP Server

Claude Desktop

Settings → Extensions → Install, then select the https://github.com/vinhphatfsg/rulemorph/releases/download/v0.3.4/rulemorph-mcp-v0.3.4-aarch64-apple-darwin.mcpb .mcpb bundle

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as Claude Desktop extension (.mcpb bundle)

license MIT - declared in the repository

registry namespace io.github.vinhphatfsg is GitHub-verified and matches the repo owner

03 · What Rulemorph MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.3.4 · 2026-06-09

0.3.3へ更新しREADMEのCLI使用例を整理 · Merge v0.3.4 into main

v0.3.3 · 2026-06-05

Prepare v0.3.2 release · 0.3.3へ更新しREADMEのCLI使用例を整理

v0.3.2 · 2026-06-02

v0.3.2 · This release adds the custom OP and expression improvements merged into main for the v0.3.2 train. · Highlights · Add user-defined custom OPs via defs, including typed inputs/returns, with calls, object…

04 · Who maintains Rulemorph MCP Server

Rulemorph MCP Server is maintained by vinhphatfsg. We track 2 MCP servers from vinhphatfsg - 2 actively maintained, 4 combined GitHub stars, oldest repo from Jan 2026.

05 · Facts

repository
github.com/vinhphatfsg/rulemorph
category
coding agent - ranked #191 of 194 actively-maintained coding agent servers as of 2026-08-25.
release cadence
3 releases in the last 90 days (latest 2026-06-09)
registry
io.github.vinhphatfsg/rulemorph-mcp (active, first published 2026-01-20 · 9 versions)
packages
mcpb:https://github.com/vinhphatfsg/rulemorph/releases/download/v0.3.4/rulemorph-mcp-v0.3.4-aarch64-apple-darwin.mcpb · mcpb:https://github.com/vinhphatfsg/rulemorph/releases/download/v0.3.4/rulemorph-mcp-v0.3.4-x86_64-apple-darwin.mcpb · mcpb:https://github.com/vinhphatfsg/rulemorph/releases/download/v0.3.4/rulemorph-mcp-v0.3.4-x86_64-unknown-linux-gnu.mcpb · mcpb:https://github.com/vinhphatfsg/rulemorph/releases/download/v0.3.4/rulemorph-mcp-v0.3.4-x86_64-pc-windows-msvc.mcpb

06 · Rulemorph MCP Server FAQ

What is Rulemorph MCP Server?

Rulemorph transforms data from external APIs, CSV, JSON, YAML, TOML, XML, HTML, Markdown, and Excel into predictable JSON using declarative YAML/JSON rules.

Is Rulemorph MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-06-11 and it shipped 3 releases in the last 90 days. We re-verify nightly.

07 · Alternatives to Rulemorph MCP Server

Alternatives to Rulemorph MCP Server

Maintained coding agent servers if Rulemorph MCP Server isn't the fit.

  1. Serena A powerful toolkit for coding, providing semantic retrieval and editing capabilities. ★ 28,461 · 2026-08-20
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  3. Ouroboros Pins an acceptance spec; the verify command and expected output never enter the success contract. ★ 5,649 · 2026-08-25
  4. Socraticode MCP server for local codebase indexing, semantic search, and code dependency graphs. ★ 3,274 · 2026-08-24
  5. Magic Cloud Self-hosted low-code platform (Docker); its MCP endpoint runs on your own instance, not via npx. ★ 1,180 · 2026-08-24
  6. LLM Sandbox Securely run LLM-generated code in isolated containers across 7 languages and 3 container backends. ★ 1,111 · 2026-08-23

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