AI assistant for safe, reliable productivity with code, collaboration, and integrations.
Contexter
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About Contexter
Contexter provides a shared workspace where users can maintain a single context that is accessible through multiple AI assistants—ChatGPT, Claude, and Telegram—without duplicating information. Each context belongs to the user and can be updated or referenced by different AI tools or team members. Records, notes, and project details are stored centrally and remain consistent regardless of which interface is used to access them. The platform supports individual users who juggle multiple projects as well as teams that need to collaborate without repeatedly explaining context. Users can connect their existing AI assistants to a shared context, add records via the Telegram bot, and invite others to contribute or continue working on the same set of information. Contexts can be shared selectively, with privacy controls ensuring chats remain private unless explicitly shared. The system is built on an open standard using a remote MCP server with OAuth 2.1, allowing for developer integration and custom setups.
Key features
- Shared context across ChatGPT, Claude, and Telegram
- Telegram bot for adding records and sharing contexts
- Versioning for records within contexts
- Selective sharing with visible audience tracking
- OAuth 2.1 authentication for security
- Open standard MCP server for developer use
- Group chat integration for team collaboration
- Reversible deletion for 7 days
Use cases
- Collaborative project planning across multiple AI assistants
- Team coordination without repeated context retelling
- Personal knowledge management with cross-AI continuity
Pros
- Centralizes context across multiple AI assistants
- Supports selective sharing with visible audience control
- Works with ChatGPT, Claude, and Telegram
- Records are versioned for change history
- No API key or subscription required
Cons
- Requires connecting each AI assistant separately
- Telegram integration is mandatory for initial setup
- Contexts are not automatically synced from AI chats
Frequently asked questions about Contexter
Can ChatGPT and Claude use the same context?
Yes. Contexter acts as a remote MCP server that both ChatGPT and Claude connect to, allowing them to read and write to the same shared context rather than maintaining separate copies.
How do I move a chat from ChatGPT to Claude without losing context?
You do not move the chat directly. Instead, ask the assistant in ChatGPT to save the relevant information into a Contexter context, then access that same context in Claude to continue working.
Does Contexter read my ChatGPT or Claude conversations automatically?
No. Contexter does not save AI chat content unless explicitly added to a context by the user or an assistant upon request.
Can I share a context with someone who uses a different AI?
Yes. You share the context itself with a person, and they can connect their preferred AI assistant—ChatGPT, Claude, or the Telegram bot—to access and continue working on the same records.
What gets saved from a Telegram group into a context?
Only messages from participants who have joined the group are collected; messages from non-participants are not included in the context.
Do I need an API key or a subscription to use Contexter?
No API key is required. Contexter does not require a subscription to use its core functionality.
