AgentIndex icon
AgentIndex
jamjet logo
jamjet
★ 23
vs
context-mode logo
context-mode
★ 31.8k

jamjet vs context-mode

jamjet: JamJet is an action-control plane for AI agents that enforces safety policy across hooks, guardrails, MCP gateways, SDKs, and custom runtimes. It blocks unsafe tool calls, requires human approval for risky actions, caps costs, and provides a durable audit trail. One policy file works everywhere, supporting frameworks like Claude Code, OpenAI Agents SDK, LangChain, and more.; context-mode: Every tool call in an MCP (Model-Controller-Program) environment dumps raw data into the context window, quickly consuming space and causing the agent to lose track of ongoing tasks. Context Mode is an MCP server that tackles this by sandboxing tool outputs to significantly reduce context usage, tracking session events in SQLite for continuity, and promoting 'think in code' to minimize data processing within the LLM.

01

TL;DR

jamjet logo
jamjetMemory & Context · ★ 23

Calling MCP servers or arbitrary tools

Read jamjet full review →
context-mode logo
context-modeMemory & Context · ★ 31.8k
When to choose:
  • Your sessions fill up with tool output such as Playwright snapshots, GitHub issue lists or logs.
  • You want work state (edits, git operations, tasks, decisions) to survive context compaction without being dumped back into the window.
  • You use a hook-capable agent, where tool routing happens automatically.
When to skip:
  • You need an OSI open-source licence: it uses the Elastic License 2.0, which restricts uses such as offering it as a managed service.
  • Your sessions are short and rarely hit the context limit.
  • You do not want hooks changing how your agent's tools behave.
Read context-mode full review →
02

Side-by-Side Comparison

Field
jamjet logojamjet
context-mode logocontext-mode
Category
Memory & Context
Memory & Context
Stars
★ 23
★ 31.8k
License
Apache-2.0
Elastic License 2.0
Install Command
pip install jamjet
npm install -g context-mode
Updated
1w ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
a2a, agent-memory, agent-safety
antigravity, claude, claude-code
03

Features

jamjet logojamjet
01Block unsafe tool calls at runtime (e.g., database deletes, payments)
02Pause for human approval on risky actions with durable execution
03Cap cost per agent, per run, per project
04Record an append-only audit trail for regulatory review
05Replay or resume crashed runs from the last checkpoint
context-mode logocontext-mode
01Context Saving: Sandbox tools keep raw data out of the context window, achieving up to 98% reduction.
02Session Continuity: Tracks every file edit, git operation, task, and user decision in SQLite for seamless session resume.
03Think in Code: Promotes LLMs to program analysis, not compute it, saving 100x context by logging only results.
04Batch Execution & Search: Run multiple commands/queries in one call with tools like `ctx_batch_execute`.
05Advanced Knowledge Base: Uses SQLite FTS5 with BM25 ranking, smart snippets, and TTL cache for efficient information retrieval.
04

Use Cases

jamjet logojamjet
↳Calling MCP servers or arbitrary tools
↳Writing to a database
↳Sending emails or Slack messages
context-mode logocontext-mode
↳Deep repository research and analysis (e.g., architecture, contributors, issues)
↳Analyze Git history to identify top contributors, commit frequency, and most changed files
↳Efficiently process large JSON APIs, web pages, or logs without flooding the context window
05

Best For

jamjet logojamjet
—
context-mode logocontext-mode
Most PopularTrending
FAQ

FAQ

What is the difference between jamjet and context-mode?
Both jamjet and context-mode are in the Memory & Context category. jamjet has 23 stars, while context-mode has 31.8k stars.
Which is better, jamjet or context-mode?
The best choice depends on your use case. Choose jamjet if Calling MCP servers or arbitrary tools, and context-mode if Deep repository research and analysis (e.g., architecture, contributors, issues).
Is jamjet free or open source?
Yes, jamjet is open source on GitHub (Apache-2.0).
Is context-mode free or open source?
Yes, context-mode is open source on GitHub (Elastic License 2.0).
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