Orca MCP Server
Rank #32,598io.github.jascal/orca-mcp-server
Go from natural language to verified finite state machines — topology bugs caught before code runs.
What you can do with Orca MCP Server
Orca MCP Server is a Model Context Protocol (MCP) server published by jascal. It ranks #32,598 of 150,963 active servers on MCP Toplist, and its repository has 14 GitHub stars. Orca MCP Server is listed across 2 registries — Official MCP and PulseMCP, with 12 tracked versions. It was first listed on Mar 23, 2026 and most recently updated on Jun 3, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Orca MCP Server can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Orca MCP Server
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
Declared by the Official MCP Registry, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
- ANTHROPIC_API_KEY · optional
- ORCA_PROVIDER · optional
- ORCA_MODEL · optional
Connect Orca MCP Server and confirm it works
claude mcp add orca-mcp-server -e "ANTHROPIC_API_KEY=<your ANTHROPIC_API_KEY>" -e "ORCA_PROVIDER=<your ORCA_PROVIDER>" -e "ORCA_MODEL=<your ORCA_MODEL>" -- npx -y @orcalang/orca-mcp-serverReplace each placeholder with your own value before saving.
[mcp_servers.orca-mcp-server]
command = "npx"
args = ["-y", "@orcalang/orca-mcp-server"]
[mcp_servers.orca-mcp-server.env]
ANTHROPIC_API_KEY = "<your ANTHROPIC_API_KEY>"
ORCA_PROVIDER = "<your ORCA_PROVIDER>"
ORCA_MODEL = "<your ORCA_MODEL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"orca-mcp-server": {
"command": "npx",
"args": [
"-y",
"@orcalang/orca-mcp-server"
],
"env": {
"ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
"ORCA_PROVIDER": "<your ORCA_PROVIDER>",
"ORCA_MODEL": "<your ORCA_MODEL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"orca-mcp-server": {
"command": "npx",
"args": [
"-y",
"@orcalang/orca-mcp-server"
],
"env": {
"ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
"ORCA_PROVIDER": "<your ORCA_PROVIDER>",
"ORCA_MODEL": "<your ORCA_MODEL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"orca-mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@orcalang/orca-mcp-server"
],
"env": {
"ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
"ORCA_PROVIDER": "<your ORCA_PROVIDER>",
"ORCA_MODEL": "<your ORCA_MODEL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"orca-mcp-server": {
"command": "npx",
"args": [
"-y",
"@orcalang/orca-mcp-server"
],
"env": {
"ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
"ORCA_PROVIDER": "<your ORCA_PROVIDER>",
"ORCA_MODEL": "<your ORCA_MODEL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"orca-mcp-server": {
"command": "npx",
"args": [
"-y",
"@orcalang/orca-mcp-server"
],
"env": {
"ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
"ORCA_PROVIDER": "<your ORCA_PROVIDER>",
"ORCA_MODEL": "<your ORCA_MODEL>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Mar 23, 2026
- Latest version published
- Jun 3, 2026
- Version history
- 12 versions tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, last synced Oct 22, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Aug 31, 2026
- Official MCP ↗listed since Apr 25, 2026 · still listed
- PulseMCP ↗listed since May 22, 2026 · still listed
Do you maintain Orca MCP Server? to correct or enrich this profile.
Available versions (12)
| Version | Published |
|---|---|
| 0.1.30 | Jun 3, 2026 |
| 0.1.29 | Jun 3, 2026 |
| 0.1.27 | Apr 17, 2026 |
| 0.1.24 | Apr 4, 2026 |
| 0.1.21 | Apr 2, 2026 |
| 0.1.19 | Apr 1, 2026 |
| 0.1.18 | Mar 30, 2026 |
| 0.1.17 | Mar 30, 2026 |
| 0.1.13 | Mar 29, 2026 |
| 0.1.12 | Mar 29, 2026 |
| 0.1.11 | Mar 29, 2026 |
| 0.1.0 | Nov 25, 2024 |
Ranks ahead of 118,365 of 150,963 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.jascal%2Forca-mcp-server)<a href="https://mcptoplist.com/server/io.github.jascal%2Forca-mcp-server"><img src="https://mcptoplist.com/badge/io.github.jascal%2Forca-mcp-server.svg" alt="MCP Toplist: Top 25% of 150,963" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Orca MCP Server?
- Orca MCP Server is maintained by jascal, which publishes 1 MCP server (12 total versions) tracked on MCP Toplist.
- Is Orca MCP Server listed on the Official MCP Registry?
- Yes — Orca MCP Server is listed on the Official MCP Registry, alongside PulseMCP.
- How many versions does Orca MCP Server have?
- MCP Toplist tracks 12 versions of Orca MCP Server, most recently published on Jun 3, 2026.
- Where can I find the source code for Orca MCP Server?
- The source code for Orca MCP Server is hosted at github.com/jascal/orca-lang/tree/HEAD/packages/mcp-server.
Do you run this server?
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