Parecode

basilskywalk/parecode

Ripgrep-backed code search and multi-file editing designed to keep coding agents under budget. Exposes ParecodeSearch with per-match token estimates and automatic context window merging, ParecodeExpand for widening ranges without full file reads, and ParecodeEdit for atomic batched writes with fuzzy matching. The init command wires up a SessionStart hook that nudges Claude toward these tools over native Grep/Read/Edit, plus an optional Haiku-powered subagent for exploration queries. Best on search-heavy tasks like refactors or call-site edits where you'd otherwise burn tokens on repeated grep-read-edit loops. Measured A/B tests show 40% cost cuts and 75% fewer turns on multi-file symbol rewrites. Local JSONL logs track savings with a retroactive scan mode for past sessions.

GitHub stars: 5
tools: 3
transport: STDIO
last updated: Jun 10, 2026

View on GitHub

Tools

3 tools

Public tool metadata for what this MCP can expose to an agent.

ParecodeSearchripgrep-backed search that returns matches with surrounding context windows in a single call, with per-file byte chunking so large result sets do not blow up your context.

ripgrep-backed search that returns matches with surrounding context windows in a single call, with per-file byte chunking so large result sets do not blow up your context.

No parameter schema in public metadata yet.

ParecodeExpandWiden a known (file, startLine, endLine) range with optional contextBefore / contextAfter padding.

Widen a known (file, startLine, endLine) range with optional contextBefore / contextAfter padding.

No parameter schema in public metadata yet.

ParecodeEditBatched multi-file edits with whitespace-tolerant fuzzy matching (and an opt-in Unicode-lookalike mode), pre/post stat conflict detection, and atomic same-directory rename writes.

Batched multi-file edits with whitespace-tolerant fuzzy matching (and an opt-in Unicode-lookalike mode), pre/post stat conflict detection, and atomic same-directory rename writes.

No parameter schema in public metadata yet.

Readme

parecode

An MCP server that gives coding agents context-window-aware search and safe, atomic multi-file edits — built to cut token usage on large codebases without giving up correctness.

Requirements

Node.js 20 or newer (ESM, native test runner, stable fetch-free runtime).
ripgrep on PATH (rg on Linux/macOS, rg.exe on Windows). Install via your package manager:
- macOS: brew install ripgrep
- Debian/Ubuntu: apt install ripgrep
- Windows: winget install BurntSushi.ripgrep.MSVC or choco install ripgrep
A supported MCP client (Claude Code is the reference target).

Parecode does not bundle ripgrep — it shells out to the system binary so you stay on a single, audited version.

Install

npm install -g parecode

Pure JavaScript — no native dependencies, no C/C++ toolchain required.

Quick start

View the full README on GitHub

Details

Repository: github.com/basilskywalk/parecode
Category: Search & Web Crawling
Package: parecode
Transport: STDIO
Registry: MCP registry, active

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