Open sourceTypeScript · ≈33k stars · Elastic-2.0
Context Mode
MCP server that keeps raw tool output out of the context window and preserves session state across compaction.
Context Mode is an MCP server for AI coding agents that targets context-window bloat. Its sandbox tools keep raw tool output out of context; the README cites 315 KB reduced to 5.4 KB. It tracks file edits, git operations, tasks, errors and decisions in SQLite. After compaction it retrieves only the relevant events through FTS5/BM25 search. It also has the model write scripts that print only results (ctx_execute) instead of reading many files. It covers 17 platforms: hook-capable ones such as Claude Code get automatic routing enforcement, and the rest use a routing file. It is licensed under the Elastic License 2.0.
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Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- Mert KoseogluOrganisation
Built on · 2
- Claude CodeProject
- Model Context ProtocolProject
Similar entries · 3
- Claude Code TemplatesProject
- Claude ContextProject
- RepomixProject
Sources
Verified Oct 29, 2026