context window mcp servers

31 tagged context window, measured the same way as everything else here.

jcodemunch-mcp

01

jgravelle/jcodemunch-mcp

MCP server Claude CodeCodexCursor +2

Token-efficient MCP server for source code exploration via tree-sitter AST parsing. Runs locally from the jcodemunch-mcp Python package.

2.6k yesterday A tokens not measured

linggen

02

linggen/linggen-memory

MCP server Claude CodeCodexCursor +2

MCP server "linggen", hosted remotely, as configured in linggen/linggen-memory.

108 12d ago A tokens not measured original MIT

ling-mem

03

linggen/linggen-memory

MCP server Claude CodeCodexCursor +2

MCP server "ling-mem", hosted remotely, as configured in linggen/linggen-memory.

108 12d ago A tokens not measured original MIT

nexusmem

04

yaminbkk/NexusMem

MCP server Claude CodeCodexCursor +2

Local-first memory for AI coding agents: shell history with exit codes, git diffs, docs, MCP. Runs locally from the nexusmem npm package.

12 yesterday A tokens not measured original MIT

repomap-ai

05

TusharKarkera22/RepoMap-AI

MCP server Claude CodeCodexCursor +2

Token-efficient repository mapping tool for AI IDEs. Runs locally from the repomap-ai Python package.

8 5mo ago A tokens not measured

Ar5en1c/context-guardian

MCP server Claude CodeCodexCursor +2

MCP server + proxy that cuts cloud LLM costs 36-42% by indexing context locally with Ollama and giving agents precision retrieval tools instead of raw dumps. Runs locally from the context-guardian-mcp npm package.

7 4mo ago A tokens not measured original MIT

densely

07

alibaizhanov/densely

MCP server Claude CodeCodexCursor +2

Lossless context compression for LLMs: 2x-8x fewer tokens, byte-exact reconstruction, sha256-verified. Runs locally from the densely Python package.

6 19d ago A tokens not measured original MIT

token-pilot

08

Digital-Threads/token-pilot

MCP server Claude CodeCodexCursor +2

Save up to 80% tokens when AI reads code via AST-aware structural reading. Runs locally from the token-pilot npm package.

5 5d ago A tokens not measured

context-firewall

09

Alepha188838884/context-firewall

MCP server Claude CodeCodexCursor +2

Local MCP proxy: collapses N servers' tools into 4 meta-tools and compresses large tool outputs. Runs locally from the context-firewall npm package.

2 yesterday A tokens not measured original MIT

tokenkeeper

10

admin-sosys/TokenKeeper

MCP server Claude CodeCodexCursor +2

MCP server "tokenkeeper" as configured in admin-sosys/TokenKeeper. Launched with tokenkeeper. Needs 1 environment variable to run.

2 6mo ago A tokens not measured original MIT

context-compress

11

Open330/context-compress

MCP server Claude CodeCodexCursor +2

MCP server "context-compress" as configured in Open330/context-compress. Runs ./dist/index.js with node.

2 4d ago A tokens not measured original MIT

agentfit

12

MukundaKatta/agentfit-mcp

MCP server Claude CodeCodexCursor

Token-aware message truncation: fit a chat history into your model's context budget. Runs locally from the @mukundakatta/agentfit-mcp npm package.

1 1mo ago A tokens not measured original MIT

distil

13

munhq/distil

MCP server Claude CodeCodexCursor

Context optimization middleware for LLM agents — a dynamic tool registry, result masking, token budgeting and smart compaction, so a long session stays inside its window instead of failing for length. Runs locally from the @munhq/distil npm package.

1 3d ago A tokens not measured

mcp-checkup

14

yifanyifan897645/mcp-checkup

MCP server Claude CodeCodexCursor

Analyze your MCP setup: token costs, grades, duplicates, and optimization tips. Runs locally from the mcp-checkup npm package.

1 4mo ago A tokens not measured original MIT

capsule

15

hakiyaka/capsule

MCP server Claude CodeCodexCursor

MCP server "capsule" as configured in hakiyaka/capsule. Runs ./mcp/server.cjs with node.

1 22d ago A tokens not measured original MIT

rlm-mcp

16

adrianwedd/rlm-mcp

MCP server Claude CodeCodexCursor

MCP server "rlm-mcp" as configured in adrianwedd/rlm-mcp. Runs rlm_mcp.server with /Users/adrian/repos/rlm-mcp/.venv/bin/python3.

1 3mo ago A tokens not measured

AiAgentKarl/agent-context-optimizer-mcp

MCP server Claude CodeCodexCursor

MCP Server that solves context window overload — smart tool pruning, relevance scoring, and budget tracking for AI agents. Runs locally from the agent-context-optimizer-mcp Python package.

1 5mo ago A tokens not measured original MIT

session-migrator

18

liangyuan0219/session-migrator

MCP server Claude CodeCodexCursor

MCP server "session-migrator" as configured in liangyuan0219/session-migrator. Runs locally from the session-migrator Python package.

1 13d ago A tokens not measured original MIT

whats-loaded-mcp

19

stcmain/whats-loaded-mcp

MCP server Claude CodeCodexCursor

What fills your agent's context window before a session starts: skill descriptions, memory files. Runs locally from the whats-loaded-mcp npm package.

0 23d ago A tokens not measured original MIT

lethe

20

JesusGarcia9009/lethe-engineering

MCP server Claude CodeCodexCursor

Context garbage collector for long-running LLM agents — offload and recall to save tokens (Claude Code & Codex via MCP). Runs locally from the lethe-llm-context Python package. Needs 1 environment variable to run.

0 1mo ago A tokens not measured original Unlicense

tokentrust-cli

21

RudrenduPaul/TokenTrust-CLI

MCP server Claude CodeCodexCursor +2

Vendor-neutral CLI and MCP server that verifies the token and cost savings AI-coding-agent context-reduction proxies (rtk, headroom) actually deliver, measured against a real 23-task labeled corpus with a local tokenizer instead of the proxy's own claimed. Runs locally from the tokentrust-cli npm package.

0 6d ago A tokens not measured original Apache-2.0

memshelf-mcp

22

ignatenkofi/memshelf-mcp

MCP server Claude CodeCodexCursor

Working-memory shelf for AI agents — offload closed topics to a docshelf shelf as digest-indexed episodes, recall by index. Runs locally from the memshelf-mcp Python package.

0 7d ago A tokens not measured original MIT

token-lens

23

mdfifty50-boop/token-lens-mcp

MCP server Claude CodeCodexCursor

Context window token analysis and budget management. Runs locally from the token-lens-mcp npm package.

0 4mo ago A tokens not measured

logica-context

24

Rovemark/logica-context

MCP server Claude CodeCodexCursor

MCP server that protects your AI context window via sandboxed execution and smart indexing. Runs locally from the logica-context npm package.

0 2mo ago A tokens not measured original MIT