ContextD helps AI coding assistants remember what works, learn from mistakes, and maintain context across sessions. It's designed for developers who
Contextd MCP server is a locally run integration for AI assistants that speak the Model Context Protocol. ContextD helps AI coding assistants remember what works, learn from mistakes, and maintain context across sessions. It's designed for developers who want their AI tools to get smarter over time.
Once Contextd is connected, these are the calls the assistant has available:
Binary — Purposecontextd — MCP server (run with --mcp --no-http)ctxd — CLI utility for manual operationsMemory — The Memory tool exposed by this serverCheckpoints — The Checkpoints tool exposed by this serverRemediation — The Remediation tool exposed by this serverConversation — The Conversation tool exposed by this serverReflection — The Reflection tool exposed by this serverSetup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.
You will need 4 environment variables: VECTORSTORE_PROVIDER, QDRANT_HOST, QDRANT_PORT, VECTORSTORE_PATH. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
You need Claude Code installed first. Claude Code is Anthropic's AI coding assistant. ContextD extends Claude Code with persistent memory via the MCP (Model Context Protocol) server integration. Install Claude Code: ```bash
Plenty of knowledge and memory servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Contextd's toolset — Binary, contextd, ctxd and 5 more — is a fair guide to whether it matches your workflow. It is maintained by fyrsmithlabs; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| Binary | Purpose |
| contextd | MCP server (run with --mcp --no-http) |
| ctxd | CLI utility for manual operations |
| Memory | The Memory tool exposed by this server. |
| Checkpoints | The Checkpoints tool exposed by this server. |
| Remediation | The Remediation tool exposed by this server. |
| Conversation | The Conversation tool exposed by this server. |
| Reflection | The Reflection tool exposed by this server. |
You need Claude Code installed first. Claude Code is Anthropic's AI coding assistant. ContextD extends Claude Code with persistent memory via the MCP (Model Context Protocol) server integration. Install Claude Code: ```bash
| Variable | Description | Required |
|---|---|---|
| VECTORSTORE_PROVIDER | Configuration value read at startup. | Optional |
| QDRANT_HOST | Endpoint or connection string the server talks to. | Optional |
| QDRANT_PORT | Configuration value read at startup. | Optional |
| VECTORSTORE_PATH | Filesystem location the server is allowed to use. | Optional |
A knowledge graph your assistant keeps between sessions — entities, relations and observations that persist.
Kill hallucinated APIs — version-accurate, up-to-date library documentation injected straight into context.
Your workspace, on speaking terms with AI — search, read and write Notion pages and databases.
A structured scratchpad for hard problems — stepwise reasoning with revisions, branches and visible logic.
Symbol-level code navigation, refactoring and memory for coding agents — the IDE brain your assistant has been missing.
Chat with your second brain — search, read and write vault notes through the Local REST API.