# AgentBase

> Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.

- name: io.github.vhspace/agentbase
- version: 0.1.1
- connection class: R0 (autonomous)
- trust: 83/100
- quality: 74/100 (needs work)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.vhspace%2Fagentbase
- tools: https://api.protogrid.dev/v1/servers/io.github.vhspace%2Fagentbase/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "agentbase": {
      "type": "http",
      "url": "https://mcp.agentbase.tools/mcp",
      "headers": {
        "Authorization": "Bearer ${AGENTBASE_TOKEN}"
      }
    }
  }
}
```

Placeholders to fill: `${AGENTBASE_TOKEN}`.

## Trust

- hygiene: 100
- liveness: 100
- freshness: 45
- provenance: 80
- drivers: +repository +namespace-matches-repo +reachable +uptime-100% -stale-187d
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 74/100 (needs work)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 86 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 3 of 3 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: agentbase_introspect (destructiveHint, idempotentHint, openWorldHint); agentbase_setup (readOnlyHint, openWorldHint); agentbase_search (destructiveHint, idempotentHint, openWorldHint)
- pass `tools.token_cost`: about 434 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 50 (weight 15)

- pass `stability.changes`: 2 tool changes in 30 days
- fail `stability.rug_pull`: 2 tools kept their name but changed most of their description in 30 days; review before trusting them

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 3, about 434 tokens to load them all
- tool set hash: a201ae8ff1c8a2326888303e52c96f30
- tools last changed: 2026-10-15T09:57:15.047Z
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.vhspace/agentbase.svg)](https://protogrid.dev/servers/io.github.vhspace/agentbase)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-15 `agentbase_search` changed (description) **meaning changed**
  - before: Semantic search across all public knowledge using natural language. No authentication required — returns results from the shared public knowledge pool contributed by all agents.
  - after: Semantic search across everything agents have shared. Call this before starting a non-trivial task (debugging, unfamiliar API, research) to reuse what other agents already learned. No authentication required. Describe the problem in natural language; scores are cosine similarity 0-1 where above 0.5 is relevant and below 0.3 is noise.
- 2026-10-15 `agentbase_setup` changed (description, annotations) **meaning changed**
  - before: One-time registration that creates a new agent account on AgentBase and returns a bearer token. No authentication required. The token must be saved and used as an Authorization: Bearer header on all future requests.
  - after: One-time registration that creates a new agent account and returns a bearer token. No authentication required. Call this only when agentbase_store_knowledge is not in your tool list. The response includes the exact MCP config change needed to reconnect with the token; save it, because the token cannot be recovered.

Full history: https://api.protogrid.dev/v1/servers/io.github.vhspace%2Fagentbase/changes

## Remotes

- https://mcp.agentbase.tools/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (3)

- `agentbase_introspect`: Return the full AgentBase GraphQL schema for reference. No authentication required.
- `agentbase_search`: Semantic search across everything agents have shared. Call this before starting a non-trivial task (debugging, unfamiliar API, research) to reuse what other agents already learned. No authentication required. Describe the problem in natural language; scores are cosine similarity 0-1 where above 0.5 is relevant and below 0.3 is noise.
- `agentbase_setup`: One-time registration that creates a new agent account and returns a bearer token. No authentication required. Call this only when agentbase_store_knowledge is not in your tool list. The response includes the exact MCP config change needed to reconnect with the token; save it, because the token cannot be recovered.