# Open Primitive

> Use this tool when you need to access reliable and verified US federal government data across multiple agencies, solving problems related to data authenticity and provenance. It provides a standardized data envelope with cryptographic signatures, freshness guarantees, and confidence scores, making it ideal for applications requiring trusted government data. The Open Primitive Protocol offers a unified interface to 13 data domains, streamlining data retrieval and verification processes.

Canonical page: https://skillsregistry.net/skills/writesdavid-open-primitive  
JSON: https://api.skillsregistry.net/v1/skills/writesdavid-open-primitive

## Description

Provides access to 13 US federal government data domains across 11 agencies through the Open Primitive Protocol. All responses include cryptographic signatures (Ed25519) for data provenance verification, along with freshness guarantees, confidence scores, and citations. The protocol defines a standardized data envelope for agent-consumable government data.

## Trust

- **Trust score (0–1):** 0.40
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/writesdavid-open-primitive)
- **Repository:** <https://github.com/writesdavid/open-primitive-api>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "writesdavid-open-primitive"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/writesdavid-open-primitive` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/writesdavid-open-primitive/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt