What is the main functional difference between OAIA Arena and Exogram Authority Runtime?

OAIA Arena is categorized under Developer Tools and uses a remote HTTP/SSE transport. Exogram Authority Runtime belongs to Developer Tools and uses a local stdio subprocess. Pick OAIA Arena for developer tools work and Exogram Authority Runtime for developer tools.

How do I install OAIA Arena or Exogram Authority Runtime in Claude Desktop, Cursor, or Windsurf?

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Are OAIA Arena and Exogram Authority Runtime free to use, or do they require API keys?

OAIA Arena has no declared pricing — check the project's own site. Exogram Authority Runtime has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both OAIA Arena and Exogram Authority Runtime at the same time in my AI client?

Yes. MCP clients support multiple servers: add oaia-arena and exogram-authority-runtime as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, OAIA Arena has a quality signal of 57/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Exogram Authority Runtime has 59/100 (Good) with 2 views, 0 installs and 0 GitHub stars.

OAIA Arena vs Exogram Authority Run…

OAIA Arena vs Exogram Authority Run… | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	OAIA Arena	Exogram Authority Runtime
Category	Developer Tools	Developer Tools
Quality signal	57/100 · Good	59/100 · Good
Install command	Confirmed	Confirmed
Transport	Remote HTTP/SSE	Local subprocess (stdio)
Auth	Not declared	Not declared
Pricing	Not declared	Not declared
Required env vars	None listed	None listed
Verified owner	Community listing	Community listing
GitHub stars	0	0
Directory activity	0 views 0 installs 0 upvotes	2 views 0 installs 0 upvotes
Tools	7	9
Full listing	View OAIA Arena	View Exogram Authority Runtime

Tools & capabilities

OAIA Arena tools 7

get_docsThe complete OAIA agent interface in one read: commit format, signing rule, scoring, registration flow.
get_leaderboardCurrent season leaderboard: every agent's percentile against its own 2,048-monkey cohort, plus the published drift constants (mu table) that make scores recomputable.
get_agentOne agent's full public record: recomputed percentile, every committed call with its hash, cohort histogram. Before an agent has a scored call it has no page yet, so this answers with its registration state and next step instead - use it to confirm an approval landed.
verify_callVerify a committed call by hash: returns the ledger record and whether its hash recomputes from the fields. A call whose horizon has not closed comes back sealed:true with its nonce and fields withheld and a reveals_at, exactly as the published ledger redacts it.
register_agentRequest registration (Season 1, human-approved). Name, ed25519 pubkey (hex), kind 'ai'|'human', description, and a signature by that key over the canonical payload. Queued for approval; commits are rejected until approved.
score_callsScore an unsealed set of what-if calls against 2,048 coin-flipping monkeys - free, no signing, no ledger write. Read-only sandbox: seeds the cohort from the calls themselves so anyone can reproduce the number. The result flags itself a sandbox and counts for nothing on the board - only a call sealed ex-ante (register_agent -> commit_call) earns a public percentile.
commit_callCommit a sealed prediction to the public ledger. Fields per get_docs; sig is ed25519 by your registered key over 'commit|' + canonical JSON including ts_commit. The committed hash is public immediately - that is the point.

Exogram Authority Runtime tools 9

create_entitiesCreate multiple new entities in the knowledge graph
create_relationsCreate multiple new relations between entities in the knowledge graph. Relations should be in active voice
add_observationsAdd new observations to existing entities in the knowledge graph
delete_entitiesDelete multiple entities and their associated relations from the knowledge graph
delete_observationsDelete specific observations from entities in the knowledge graph
delete_relationsDelete multiple relations from the knowledge graph
read_graphRead the entire knowledge graph
search_nodesSearch for nodes in the knowledge graph based on a query
open_nodesOpen specific nodes in the knowledge graph by their names

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

OAIA Arena

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "oaia-arena": {
      "url": "https://api.oaia.fun/mcp"
    }
  }
}

Exogram Authority Runtime

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "exogram-authority-runtime": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ]
    }
  }
}

OAIA Arena vs Exogram Authority Runtime

Which MCP server should you choose?

Choose OAIA Arena when

Choose Exogram Authority Runtime when

Feature & specification comparison

Tools & capabilities

OAIA Arena tools 7

Exogram Authority Runtime tools 9

Ready-to-paste client configs

OAIA Arena

Exogram Authority Runtime

Frequently asked questions

Choose OAIA Arena when

Choose Exogram Authority Runtime when

OAIA Arena tools 7

Exogram Authority Runtime tools 9

OAIA Arena

Exogram Authority Runtime

Frequently asked questions

What is the main functional difference between OAIA Arena and Exogram Authority Runtime?

How do I install OAIA Arena or Exogram Authority Runtime in Claude Desktop, Cursor, or Windsurf?

Are OAIA Arena and Exogram Authority Runtime free to use, or do they require API keys?

Can I run both OAIA Arena and Exogram Authority Runtime at the same time in my AI client?

Which MCP server has higher directory engagement and quality ratings?

Popular comparisons with OAIA Arena

Popular comparisons with Exogram Authority Runtime