llm-cost-estimator

codebase-memory-mcp

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

36.7K stars

dbhub

Zero-dependency, token-efficient database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.

3.3K stars

ref-tools-ref-tools-mcp

Provide your AI coding tools with token-efficient access to up-to-date technical documentation for…

1.1K stars

claude-mem

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

88.9K stars

session-report

Generate an explorable HTML report of Claude Code session usage (tokens, cache, subagents, skills, expensive prompts) from ~/.claude/projects transcripts.

32.8K stars

Unity-MCP

AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.

3.7K stars

session-report

Generate an explorable HTML report of Claude Code session usage — tokens, cache efficiency, subagents, skills, and the most expensive prompts — from local ~/.claude/projects transcripts.

32.9K stars

context-mode

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

19.4K stars

figma

Figma design platform integration. Access design files, extract component information, read design tokens, and translate designs into code. Bridge the gap between design and development workflows.

1.8K stars

migration-status

Parse + summarize the JOB_REPORT.md produced by a prior migration run. Surfaces cell pass/fail/fix counts per task, lists the failing cells, and recommends a next-step skill (fixup-cell, resume, or all-clear).

design-site

Design a WordPress site, starting with a clear design direction and style tokens, then intial page layouts, followed by a full custom theme build with content pages deployed to a local Studio site

spaces

List configured AgentSpaces and summarize each one's accounts and capabilities

SessionStart

SessionStart nudge directing the agent to delegate data-engineering tasks to altimate-code via the altimate-code skill. The UserPromptSubmit pre-run hook was removed because it double-invoked altimate-code (once at hook time, once when the model fired the skill), doubling token consumption on the al

claude-security

The dedicated Claude Security orchestrator. Hand it an unattended job — "fully scan this repository and patch what you find; I understand it will use a lot of tokens" — and it runs the whole thing itself: capturing the revision, driving the multi-agent scan through the claude-security:scan workflow,

32.8K stars

bedrock-sme

Amazon Bedrock subject matter expert emphasizing cost-efficient usage patterns. Use when designing Bedrock-based solutions, selecting models, architecting agent workflows, configuring knowledge bases, or when you need practical Bedrock guidance that won't blow the budget.

oauth-oidc-specialist

Expert in OAuth 2.0 and OpenID Connect protocol specifications, security best practices, and compliance. Specializes in flow selection, token security, protocol-level debugging, and standards compliance. Use for protocol design decisions, security reviews, and debugging token/auth flows at the HTTP