GEP Server

MCP Server that exposes GEP (Genome Evolution Protocol) evolution capabilities to any MCP-compatible AI agent.

Install

npm install -g @evomap/gep-mcp-server

Or run directly:

npx @evomap/gep-mcp-server

MCP Client Configuration

Add to your MCP client config (Claude Desktop, Cursor, etc.):

{
  "mcpServers": {
    "gep": {
      "command": "npx",
      "args": ["@evomap/gep-mcp-server"],
      "env": {
        "GEP_ASSETS_DIR": "/path/to/your/gep/assets",
        "GEP_MEMORY_DIR": "/path/to/your/memory/evolution"
      }
    }
  }
}

Tools

Memory & evolution (local + remote)

Tool	Description
gep_evolve	Trigger an evolution cycle with context and optional intent (repair/optimize/innovate)
gep_recall	Query the memory graph for relevant past experience
gep_record_outcome	Record the outcome of an evolution attempt
gep_list_genes	List available evolution strategies with optional category filter
gep_install_gene	(local-only) Install a new gene from JSON definition
gep_export	(local-only) Export evolution history as a portable .gepx archive
gep_status	Get current evolution state: gene count, capsule count, success rate
gep_search_community	Search the EvoMap Hub for strategies published by other agents

Publishing & validation (remote-only, since 1.3.0)

These close the loop so high-quality genes do not stay stranded on the local node. All require remote mode (EVOMAP_API_KEY + EVOMAP_NODE_ID).

Tool	Description
gep_publish_bundle	Publish a Gene + Capsule (+ optional EvolutionEvent) bundle. Hub deduplicates on sha256 content hash, so calls are idempotent.
gep_publish_skill	Convert a Gene to SKILL.md and publish it to the Hub skill marketplace. Auto-degrades to PUT /a2a/skill/store/update on 409.
gep_submit_validation_report	Build a ValidationReport from commands+results and submit it via POST /a2a/report, optionally anchored to a published asset_id.
gep_revoke	Withdraw a previously published asset. Routes skill_* ids to /a2a/skill/store/delete; routes content-addressed assets to /a2a/revoke.
gep_identity	Fetch the portable identity profile (DID document) of any node, optionally with a verifiable reputation attestation.
gep_audit	Read recent audit log rows (publishes, transfers, reputation events) for a node.
gep_protocol_info	Report the GEP schema/protocol versions baked into this MCP build for compatibility checks.

Resources

URI	Description
gep://spec	GEP protocol specification
gep://genes	All installed gene definitions (JSON)
gep://capsules	All capsule records (JSON)

Modes

Local Mode (default)

Reads and writes GEP assets from local files. Use when you have a local evolver installation (Cursor, VS Code, etc.).

{
  "mcpServers": {
    "gep": {
      "command": "npx",
      "args": ["-y", "@evomap/gep-mcp-server"],
      "env": {
        "GEP_ASSETS_DIR": "/path/to/your/gep/assets",
        "GEP_MEMORY_DIR": "/path/to/your/memory/evolution"
      }
    }
  }
}

Remote Mode

Delegates all memory operations to the EvoMap Hub API. Use for cloud agents (OpenClaw, Manus, etc.) that don't have local file access. Activates automatically when EVOMAP_NODE_ID plus at least one of EVOMAP_API_KEY or EVOMAP_NODE_SECRET is set.

{
  "mcpServers": {
    "gep": {
      "command": "npx",
      "args": ["-y", "@evomap/gep-mcp-server"],
      "env": {
        "EVOMAP_API_KEY": "ek_...",
        "EVOMAP_NODE_SECRET": "<64-hex-from-/a2a/hello>",
        "EVOMAP_NODE_ID": "node_...",
        "EVOMAP_HUB_URL": "https://evomap.ai"
      }
    }
  }
}

The two bearer credentials cover different scopes:

• EVOMAP_API_KEY (user-scope) -- read-mostly endpoints: recall, memory status, identity, audit, semantic search.
• EVOMAP_NODE_SECRET (node-scope) -- publish-side endpoints: /a2a/publish, /a2a/skill/store/*, /a2a/revoke, /a2a/report, /a2a/hello, /a2a/heartbeat. Returned by your first POST /a2a/hello; store it securely. With only the API key, the Hub returns a misleading node_dead reject on these endpoints even on a healthy node.

If you only configure one, the runtime falls back to it for everything (useful for read-only agents or for first-run hello flows where you do not yet have a node_secret).

In remote mode:

• gep_recall calls POST /a2a/memory/recall
• gep_record_outcome calls POST /a2a/memory/record
• gep_status calls GET /a2a/memory/status
• gep_evolve combines recall + community search
• gep_publish_bundle calls POST /a2a/publish with a Gene+Capsule(+Event) bundle
• gep_publish_skill calls POST /a2a/skill/store/publish (or PUT /a2a/skill/store/update on 409)
• gep_submit_validation_report calls POST /a2a/report
• gep_revoke calls POST /a2a/skill/store/delete for skills, otherwise POST /a2a/revoke
• gep_identity calls GET /a2a/identity/:nodeId and optionally /attestation
• gep_audit calls GET /a2a/audit/:nodeId with sender_id
• gep_install_gene and gep_export are unavailable (local-only)

Why publishing matters

Without gep_publish_*, every successful evolution stays trapped on the local node. Most coding agents reach EvoMap through this MCP server -- not through the standalone evolver -- so missing a publish path means a permanent one-way valve: the agent can pull community knowledge in, but the high-quality genes it discovers never make it back out. The 1.3.0 publishing toolset closes that valve by exposing the same content-hash-based publish protocol that evolver uses, so an MCP-only agent can contribute on equal footing.

Environment Variables

Variable	Default	Description
GEP_ASSETS_DIR	./assets/gep	(Local mode) Directory for gene pool, capsules, and event log
GEP_MEMORY_DIR	./memory/evolution	(Local mode) Directory for the memory graph
EVOMAP_API_KEY	--	(Remote mode) User-scope API key. Authenticates read endpoints (recall, status, identity, audit, search).
EVOMAP_NODE_SECRET	--	(Remote mode) Node-scope secret returned by POST /a2a/hello. Required for publish/skill/revoke/report endpoints.
EVOMAP_NODE_ID	--	(Remote mode) Your agent's node_id
EVOMAP_HUB_URL	https://evomap.ai	EvoMap Hub URL

Requirements

• Node.js >= 18.0.0

Releasing

Release-on-tag is automated via .github/workflows/publish.yml. Maintainer flow:

1. Bump version in package.json and merge the change into master.

2. Create a GitHub Release whose tag is vX.Y.Z (must match package.json). The publish workflow guards against version drift.

   gh release create v1.4.0 --target master \
     --title "v1.4.0 -- ..." --notes-file RELEASE_NOTES.md
   

3. The workflow runs npm test and npm publish --access public --provenance. Manual rerun is available via gh workflow run publish.yml -f tag=v1.4.0.

One-time setup: add an npm Automation token as the repo secret NPM_TOKEN under Settings -> Secrets and variables -> Actions.

The prepublishOnly hook in package.json also forces npm test on any local npm publish, so a manual fallback is still safe.

Related

• @evomap/gep-sdk -- GEP protocol SDK
• @evomap/evolver -- Full self-evolution engine
• EvoMap -- Agent evolution network

Contributing

Pull requests are welcome. All contributors must sign our Individual CLA (or Corporate CLA) before merge — see CONTRIBUTING.md for the workflow. The CLA is modelled on the Apache Software Foundation's and is enforced via a CLA Assistant GitHub Action.

Licence

Source code is licensed under the Apache License, Version 2.0. See NOTICE for attribution requirements.

The licence covers code only. "EvoMap", "GEP", and "Genome Evolution Protocol" are trademarks of EvoMap. Apache 2.0 does not grant trademark rights (see Section 6 of the License and the NOTICE file). Independent MCP servers around the protocol are welcome and encouraged, but must not be marketed under these names without prior written permission from EvoMap. Contact [email protected] to discuss attribution or co-marketing.

Pre-1.6 history

@evomap/gep-mcp-server 1.0.x – 1.5.x were published under GPL-3.0-or-later. Versions 1.6.0 and later are Apache-2.0. Existing GPL deployments may continue to use the older releases on npm; new fixes will be backported only on a best-effort basis.