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Reported issues for github-mcp-server

Pod holds 16 of 19 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded entirely — a maintainer's release checklist is not a warning to a prospective user.

Back to github-mcp-server.

Most discussed

📚 Add optimization guide to CLAUDE.md

Problem

A fresh Claude instance using this MCP server doesn't know:

  • When to use GraphQL vs REST (91% token difference!)
  • That github_suggest_workflow exists for bulk operations
  • That response_format: "compact" saves 80-97% tokens

Solution

Update CLAUDE.md with an Optimization Tips section that gets loaded into every conversation.

Proposed Additions

1. Tool Selection Guide

Task Best Tool Token Savings
PR overview/status

Read the thread · 2025-12-18 · closed · 1 comment

🚀 Add compact format to all 26 remaining tools

Summary

Complete the compact format rollout to ALL tools for maximum AI token efficiency.

Current state:

  • ✅ 34 tools have compact format
  • ❌ 26 tools missing compact format
  • ⚪ 52 tools don't need it (create/update/delete actions)

Tools Missing Compact Format

By File

File Tools Count
actions.py get_workflow_runs, get_workflow, get_workflow_run, get_job, get_job_logs, get_artifact 6
security.py get_dependabot_alert, get_code_sca

Read the thread · 2025-12-18 · closed · 1 comment

Cleanup: Update licensing from AGPL to MIT + remove licensing system

Overview

The website has been updated to reflect MIT licensing and open source model. The GitHub MCP Server repo needs to match.

Tasks

1. Update README

  • Change all AGPL references to MIT
  • Update any licensing/commercial messaging
  • Ensure consistency with mcplabs.co.uk/products/github messaging

2. Remove Licensing System Code

  • Identify and remove any license checking/validation code
  • Remove any commercial license related files
  • Clean up any AGPL-spec

Read the thread · 2026-01-10 · open · outside contributor · 0 comments

Standardize pagination and add compact response format for AI optimization

Summary

Dogfooding audit reveals inconsistent pagination parameters and missing compact output options across 36 tools. This makes tools harder for Claude (the primary AI user) to use effectively and can cause buffer overflow issues with verbose responses.

Problems Identified

Issue Count Impact
Uses per_page instead of limit 23 tools Inconsistent API, confusing
Missing response_format param 17 tools Can't get compact output
No p

Read the thread · 2025-12-17 · closed · 0 comments

Consolidate Deno executor: Remove dead mod.ts, keep only mod-pooled.ts

Summary

When connection pooling was added, mod.ts became dead code since USE_CONNECTION_POOL = true by default. We now maintain two nearly identical files, which caused bugs when updating one but not the other (see #32).

Current Architecture

deno_runtime.py
    │
    ├─► if USE_CONNECTION_POOL (default: true)
    │       └─► deno_pool.py → mod-pooled.ts ✅ (used 99% of time)
    │
    └─► else (fallback)
            └─► mod.ts ❌ (dead code)

Problem

  • Code duplication

Read the thread · 2025-12-17 · closed · 0 comments

Bug: listAvailableTools() exceeds response buffer with 112 tools

Description

listAvailableTools() returns full metadata for all 112 tools, causing the response to exceed the Deno executor's buffer limit.

Error Message

Error reading from process: Separator is not found, and chunk exceed the limit

Root Cause

The current implementation returns full tool objects including:

  • name
  • description
  • parameters (with all details)
  • example usage
  • required/optional flags

For 112 tools, this creates a massive JSON payload that exceeds the read

Read the thread · 2025-12-17 · closed · 0 comments

🚨 CRITICAL: Fix Workspace Tool Constraints - Make Tools Work on User Projects!

🚨 CRITICAL BLOCKER FOR MCP REGISTRY SUBMISSION

Status: Blocking registry submission
Priority: CRITICAL 🔥🔥🔥
Affects: Phase 2.5 (#15) - Workspace Architecture
Discovered: Dogfooding Story #14 - Nov 11, 2025


🤯 The Problem

Three workspace tools are hardcoded to ONLY work on the github-mcp-server repository itself!

Affected Tools:

  1. workspace_grep - Can only search github-mcp-server repo
  2. str_replace - Can only edit files in github-mcp-server

Read the thread · 2025-11-11 · closed · 0 comments

🔧 [COMPLETE] [DOGFOODING #14] Tools Discovered They Can't Close Issues!

🤯 THE DISCOVERY

Date: Nov 11, 2025
Context: Cleanup session using the tools to manage the repo
Discovery: Tools can CREATE issues but can't CLOSE them! 🙈


📊 The Gap

✅ What We Have:

  • github_list_issues - List issues
  • github_create_issue - Create new issues
  • github_search_issues - Search across repos
  • github_list_pull_requests - List PRs
  • github_create_pull_request - Create PRs
  • github_merge_pull_request - Merge PRs

❌ What We're Missing:

  • `g

Read the thread · 2025-11-11 · closed · 0 comments

Most recent

🔍 Add workspace_grep tool for efficient code search

🎯 Feature Request

Priority: HIGH 🔥
Category: Phase 2.5 - Workspace Architecture
Impact: 90-99% token reduction for code search operations


📋 Overview

Add a workspace_grep tool that efficiently searches through repository files using pattern matching, returning only matching lines with context instead of full file contents.

Discovered through: Dogfooding! Noticed Cursor uses grep for efficient file search, realized we need the same capability.


🎯 Proble

Read the thread · 2025-11-07 · closed · 0 comments

✅ [DONE] CHANGELOG updated with v1.4.0 & v1.5.0

COMPLETED!

The CHANGELOG.md has been successfully updated with v1.4.0 and v1.5.0 entries!

Changes Made:

  • Added v1.5.0 entry (Phase 0-1 infrastructure)
  • Added v1.4.0 entry (License tool)
  • Updated [Unreleased] section with Phase 2.5 mention

Commit: 79f0e6d6c0bc25f624e4b9e2498c1131525e45ae Updated By: The tools themselves! 🤖

View Updated CHANGELOG: https://github.com/crypto-ninja/github-mcp-server/blob/main/CHANGELOG.md


Meta Achievement: The tools updated thei

Read the thread · 2025-11-07 · closed · 0 comments

✅ [RESOLVED] File tools bug fixed - ETag caching issue

✅ BUG FIXED!

Root Cause Identified: The new ETag caching in PR #14 was returning {"_from_cache": True} markers, but the file tools weren't handling them.

Fix Applied by Cursor:

  • Updated github_get_file_content (lines 1372-1417)
  • Updated github_list_repo_contents (lines 1776-1850)
  • Both now detect cache markers and make fresh requests
  • Added safe .get() access throughout

Testing Results:github_get_file_content - WORKING ✅ github_list_repo_contents - WORKING ✅

Read the thread · 2025-11-07 · closed · 0 comments

🔬 Bug Analysis: 'name' KeyError in file tools

Bug Analysis for Issue #20

Error Details

Error Message: Unexpected error occurred: 'name'
Affected Tools:

  • github_get_file_content
  • github_list_repo_contents

Working Tools:

  • github_get_repo_info
  • github_create_issue
  • github_list_issues
  • All other tools ✅

Root Cause Hypothesis

The error 'name' suggests a KeyError where code is trying to access response['name'] or data['name'] but the key doesn't exist.

Most Likely Cause: PR

Read the thread · 2025-11-07 · closed · 0 comments

🐛 BUG: github_get_file_content fails with 'name' error

Bug Description

The github_get_file_content tool is failing with error: Unexpected error occurred: 'name'

How to Reproduce

github_get_file_content(
    owner="crypto-ninja",
    repo="github-mcp-server", 
    path="CHANGELOG.md"
)

Result: Error: Unexpected error occurred: 'name'

Expected Behavior

Should return the file content as it did in previous versions.

Context

Discovered during repo cleanup session on Nov 7, 2025 while trying to read CHANGELOG.md

Read the thread · 2025-11-07 · closed · 0 comments

📚 Update README.md for v1.5.0 (34 tools)

Task

Update README.md to reflect current state with 34 tools.

Changes Needed

1. Update Tool Count

Find and update all references to tool count:

  • Change: 31 tools34 tools
  • Change: 32 tools34 tools
  • Update any comparison stats

2. Add New Tools to List

Add these 3 new tools to the appropriate sections:

Tool #32 (v1.4.0):

  • github_license_info - Display license status and tier

Tool #33 (v1.5.0):

  • github_get_pr_overview_graphql - GraphQL-based P

Read the thread · 2025-11-07 · closed · 0 comments

📝 Update CHANGELOG.md with v1.4.0 and v1.5.0

Task

Update CHANGELOG.md to add missing v1.4.0 and v1.5.0 release entries.

Current State

CHANGELOG last updated: v1.3.0 (Nov 4, 2025) Missing releases:

  • v1.4.0 (license tool - Nov 6)
  • v1.5.0 (Phase 0-1 infrastructure - Nov 6)

Content to Add

Insert these entries AFTER the v1.3.0 section and BEFORE the [Unreleased] section:

## [1.5.0] - 2025-11-06

### 🚀 Phase 0-1: Infrastructure & Performance Upgrade

**Meta Achievement:** This release was merged AND release

[Read the thread](https://github.com/crypto-ninja/mcp-server-for-Github/issues/18) · 2025-11-07 · closed · 0 comments

### 🎯 Phase 2.5: Workspace Architecture for Token Efficiency & User Projects

## 🎯 Vision: Workspace-Based Architecture

### Problem Statement

The current `repo_read_file_chunk` tool (added in PR #14) is **repo-root constrained**, meaning it can only read files within the github-mcp-server repository itself. While this is perfect for meta-dogfooding during development, it's **not useful for actual customers** who will be using the MCP server to work on their own projects.

**Current limitation:**
- ✅ Works for: developers working on github-mcp-server itself
- ❌ Doesn't w

[Read the thread](https://github.com/crypto-ninja/mcp-server-for-Github/issues/15) · 2025-11-06 · closed · 0 comments

The remaining reports are on [the project's issue tracker](https://github.com/crypto-ninja/mcp-server-for-Github/issues).