How do I connect Sema MCP Server to Claude?

The listing records `claude mcp add sema -- uvx --from "semahash[mcp]" sema mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.

Is Sema MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Sema MCP Server do?

Sema MCP Server documents 12 tools to the agent, including sema_graph_skeleton, sema_handshake, sema_lookup. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Sema

Unclaimed

by emergent-wisdom

Sema is a content-addressed vocabulary for AI agents. Precise thinking, reliable references, safe multi-agent coordination. Hash the meaning, get the word.

Install

$claude mcp add sema -- uvx --from "semahash[mcp]" sema mcp

Set up this server

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This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

agent-communicationaicontent-addressingcoordinationmcpmulti-agentsemathinking-protocolsvocabularycognitive-operations

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

12 of 12 tools

Documented tools (12)

From project documentation. A server handshake does not verify each tool’s description or behavior.

sema_graph_skeleton

Ultra-minimal graph overview (~150 tokens)

sema_handshake

Fail-closed semantic verification between agents

sema_lookup

Get a pattern by its reference (e.g., StateLock#c9c2)

sema_mint

Create a new pattern (validate, hash, add to vocabulary)

sema_propose_context

Compute a context digest for a multi-agent definition set (drift detection)

sema_reset_session

Clear session cache so searches return full results again

sema_resolve

Get a pattern with dependencies expanded

sema_search

Search patterns by name, description, or meaning

sema_stats

Vocabulary statistics

sema_tree

Browse vocabulary by layer and category

sema_validate

Validate a pattern JSON for correctness

sema_verify_context

Verify a context proposal from another agent

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Sema MCP Server

How do I connect Sema MCP Server to Claude?: The listing records `claude mcp add sema -- uvx --from "semahash[mcp]" sema mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.
Is Sema MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Sema MCP Server do?: Sema MCP Server documents 12 tools to the agent, including sema_graph_skeleton, sema_handshake, sema_lookup. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.