io.github.dcostenco/prism-coder

Session memory for coding agents: local-first recall, drift detection, on-device inference.

What does this entry provide?

io.github.dcostenco/prism-coder is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.dcostenco/prism-coder to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.

Snapshot facts

Source: Official MCP Registry
Quality: 78/100
Install method: npm
Repo: dcostenco/prism-coder
Repo updated: Oct 23, 2026

Install command

npx -y prism-mcp-server@20.22.4

Install method: npm

Review the upstream source before running this command.

GitHub project

Quality

Repo stars

Repo updated

Oct 23, 2026

How is this score calculated?

Weighted across six dimensions, scored 0-100.
Provenance (25): listed in an official or curated registry.
Installability (25): a runnable install command beats a declared transport, which beats a source checkout.
Maintenance (20): recency of the last push; archived entries score zero here.
Adoption (20): repository stars on a log curve.

MCP manifest

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-10-23T00:36:29.723132Z",
      "publishedAt": "2026-10-23T00:36:29.723132Z",
      "statusChangedAt": "2026-10-23T00:36:29.723132Z"
    }
  },
  "server": {
    "name": "io.github.dcostenco/prism-coder",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "20.22.4",
    "packages": [
      {
        "version": "20.22.4",
        "transport": {
          "type": "stdio"
        },
        "identifier": "prism-mcp-server",
        "registryType": "npm",
        "registryBaseUrl": "https://registry.npmjs.org",
        "environmentVariables": [
          {
            "name": "BRAVE_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "Brave Search API key for web search tools"
          },
          {
            "name": "GEMINI_API_KEY",
            "format": "string",
            "isSecret": true,
            "description": "Google Gemini API key for AI-powered summarization and embeddings"
          },
          {
            "name": "SUPABASE_URL",
            "format": "string",
            "description": "Supabase project URL for session memory and knowledge persistence"
          },
          {
            "name": "SUPABASE_KEY",
            "format": "string",
            "isSecret": true,
            "description": "Supabase service role key for database access"
          },
          {
            "name": "PRISM_USER_ID",
            "format": "string",
            "description": "User ID for multi-tenant row-level security isolation (defaults to 'default')"
          },
          {
            "name": "GCP_PROJECT_ID",
            "format": "string",
            "description": "Google Cloud project ID for Vertex AI Discovery Engine integration"
          },
          {
            "name": "VERTEX_LOCATION",
            "format": "string",
            "description": "Vertex AI location/region (defaults to 'global')"
          },
          {
            "name": "VERTEX_DATA_STORE_ID",
            "format": "string",
            "description": "Vertex AI Discovery Engine data store ID for enterprise search"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/dcostenco/prism-coder",
      "source": "github"
    },
    "description": "Session memory for coding agents: local-first recall, drift detection, on-device inference."
  }
}

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