Serena
Powerful MCP toolkit for coding. Provides semantic retrieval and editing capabilities, positioned as the IDE for the agent. 23,971 GitHub stars and 100 commits on main in the last 30 days.
“Powerful MCP toolkit for coding. Semantic retrieval and editing via LSP, positioned as the IDE for the agent. 23,971 stars and 100 commits on main in the last 30 days.”
INSTALL THIS SERVER
{
"mcpServers": {
"serena": {
"command": "python",
"args": [
"-m",
"serena_mcp"
]
}
}
}
{
"mcpServers": {
"serena": {
"command": "python",
"args": [
"-m",
"serena_mcp"
]
}
}
}
{
"mcpServers": {
"serena": {
"command": "python",
"args": [
"-m",
"serena_mcp"
]
}
}
}
{
"mcpServers": {
"serena": {
"command": "python",
"args": [
"-m",
"serena_mcp"
]
}
}
}
{
"mcpServers": {
"serena": {
"command": "python",
"args": [
"-m",
"serena_mcp"
]
}
}
}
7 SELECTED TOOLS
OUR ASSESSMENT
oraios/serena wraps Language Server Protocol primitives as MCP tools so agents can navigate and edit code with refactoring guarantees rather than text-level grep-and-replace. Tool surface covers symbol discovery, references, semantic edits, renames, pattern search, and LSP diagnostics. Pairs with Repomix for context-packing and Claude Code MCP for agent-driven development.
- 23,971 GitHub stars.
- 100 commits on main in the last 30 days. Top cadence for coding MCPs.
- MIT license.
- LSP-based semantic retrieval beats text-level grep.
- Refactoring tools (rename, edit-symbol) carry LSP correctness guarantees.
- Requires LSP support for the target language; Python, TypeScript, Go, Rust, Java are first-class; less common languages may have limited diagnostics.
- Index build time on first run for large repos.
- Community-maintained.
Operates on local code; no remote auth required. Refactoring tools modify files; treat the agent flow as having full edit access to whatever directories the LSP server can read.
Long-context coding agents that benefit from LSP-aware navigation; refactoring flows that need rename safety; agent-IDE workflows where the agent operates the codebase as an IDE user would.
TECHNICAL DETAILS
RECORDED ADOPTION METRICS
Saved directory snapshots. Record last checked MAY 8, 2026. The review date above does not refresh these figures.
// Recorded note23,971 stars on oraios/serena. 100 commits on main in the last 30 days.
// Recorded notePairs with Repomix, Claude Code MCP, OpenSpec, Context7, MCP Inspector for dev-tools coding infrastructure. Serena owns the LSP-aware-coding slot uniquely.
SOURCES & RECORDED CHECKS
These are the directory listings and check details held in this record. Client compatibility, directory listings and installation testing are separate signals. Recorded client names describe the scope of a check; they do not establish a security assessment or a recurring test schedule.
The same server, 4 different lenses. We reconcile these signals into our editorial score, which is why our number sometimes diverges from a directory-aggregate star count.
| Source | Their rating | Their star count | Their downloads | Last synced |
|---|---|---|---|---|
| AutomationSwitch This page | 4.7editorial | 23,971 | — | MAY 8, 2026 |
| PulseMCP | — unrated | unavailable | unavailable | MAY 8, 2026 |
| MCP.so | — unrated | unavailable | unavailable | MAY 8, 2026 |
| Glama | — unrated | unavailable | unavailable | MAY 8, 2026 |
| Smithery | — unrated | unavailable | unavailable | MAY 8, 2026 |
// Counts are directory-reported; we don't adjust them. Discrepancies usually come from different snapshot times or star-caching.
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