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codemap

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codemap

Local-first code intelligence that gives AI agents and people structural awareness of codebases — combining a code graph (LSP + parsers) with semantic retrieval (local veclite, with an optional one-hop vecgrep CLI fallback or owner), exposed through a CLI and an MCP server.

Working on the code? Read AGENTS.md first — it is the source of truth for conventions, architecture, and gotchas.

codemap answers questions that grep and a single LSP call can't: who calls this function and which tests cover it, what's the blast radius of changing this type, find auth-like code and then show me everything that calls into it. It precomputes the structure once, then serves narrow, structured answers — so an agent spends a few tool calls instead of dozens of file reads.

DIRECTIONAL — go-git/go-git @ 48a1ae05eec4, claude-sonnet-5, N=3 (mean ± σ), api-key auth, playbook-injected, 2026-07-13. Not a controlled study; see bench/README.md.

metric (mean ± σ, per session)

baseline (Read/Grep/Glob)

with codemap

Δ

tool calls

7.1 ± 6.9

4.0 ± 4.5

-44%

mcp tool calls

0.0 ± 0.0

1.8 ± 3.4

—

sessions using codemap tools

0/30

14/30

—

input tokens (incl. cache reads)

56k ± 92k

70k ± 75k

+25%

output tokens

2k ± 2k

923 ± 1k

-47%

wall-clock (s)

29.9 ± 31.7

17.8 ± 17.8

-40%

cost (USD)

$0.063 ± $0.083

$0.055 ± $0.059

-13%

tasks correct

8/10

8/10

+0

One-time codemap index cost (disclosed, not per-session): 7s. codemap is modelled as pre-indexed (the daemon keeps it fresh in real use), so the codemap arm pays query time, not index time.

Features

  • Structural code graph — files, functions, types, methods, and tests as nodes; call edges (name-based by default for Go, exact via go/types with --precise) and defines edges (file → symbol). Test coverage is derived by walking the call graph to test nodes. The graph is stored in pure-Go SQLite and remains queryable offline. Go, Ruby, Lua, GDScript, and CSS/HTML use built-in pure-Go backends with language-specific relationships and no server needed. With the listed language server installed, TypeScript + JavaScript and Python provide symbols + structure and a precise call graph under --precise; one typescript-language-server resolves calls across the .ts↔.js boundary. Base (non-precise) TS/JS indexing additionally extracts name-based import edges, JSX component-usage edges (<Foo/> in .tsx/.jsx — rendering is invocation for a function component, so React codebases no longer read as disconnected), and Next.js framework-wiring references (App Router special files, route.ts HTTP verbs, middleware, Pages Router), so framework-invoked symbols stop appearing as orphans. Vue SFCs route <script>/<script setup> blocks through that TS/JS server and currently provide symbols + defines edges only, with source lines mapped back to the original .vue file. Semantic search is language-agnostic.

  • Data and documentation — SQL tables, views, and queries expose candidate read/write dependencies; sqlc maps generated Go methods to named queries. YAML exposes key paths and explicit task/service/job dependencies. Markdown exposes sections and local links. HTML adds local asset links and embedded styles. These relationships stay separate from calls. See the format guide.

  • Optional semantic search — with the local/fallback backend and embeddings enabled, node source is embedded through the configured Ollama-compatible endpoint (nomic-embed-text, 768-dim by default) into veclite, then searched with vector + BM25 hybrid retrieval. --no-embed keeps codemap's own index structure-only.

  • Impact analysis — impact returns a symbol's definition sites, direct callers, the transitive blast radius (everything affected by a change), and which tests cover those paths (flagging untested code).

  • Built for agent harnesses — context <symbol> bundles definition + callers + callees + value-reference wiring + tests + blast radius in one call (no multi-round-trip stitching), and status reports index freshness (files changed since indexing) so an agent reindexes before trusting a stale answer.

  • Exact, reusable source selectors — every symbol result already carries file, start_line, fqn, and kind. Agents project those fields into a selector for source/context/callers/ callees/references/impact/risk (or paired path selectors), while people use --at file:line. This picks one same-named definition without persisting reindex-volatile database IDs.

  • Multi-project registry — one shared store indexes all your repos; projects lists what's indexed, and any query targets one project (resolved from cwd, or --path).

  • Annotations — pin notes and external data (DB rows from mongosh/postgres, vidtrace/vecgrep findings, …) to a symbol or a call path; they persist across reindex. A knowledge layer over the graph for agent harnesses (annotate / annotations, also on MCP) and people.

  • Precise call resolution — the fast name-based graph over-matches same-named methods (x.Close() links to every Close). codemap index --precise attempts to resolve each call to the one it actually invokes and records successful precise coverage per file. A query is reported resolved only when every matched definition file completed that pass; partial failures remain honestly name/unresolved instead of upgrading the whole project. It's the unified exact-resolution pass across languages: an in-process, pure-Go go/types pass for Go, and the language server's callHierarchy for the LSP languages (TypeScript, JavaScript, Python — which have no name-based call edges, so --precise is what gives them a call graph at all). Opt-in and additive (name-based stays the default for Go); the Go pass degrades to name-based with a note when the go toolchain or module isn't available. For a one-off exact answer without reindexing, callers/callees also take --precise (language-server callHierarchy). CLI + MCP.

  • Incremental — hash-based reindex; an embedding-profile guard forces a rebuild when the provider, model, dimensions, or distance changes instead of corrupting the vector space.

  • Two surfaces, one structural store — a Cobra CLI (with --json for agents) and a stdio MCP server.

  • Graph analytics — map (subsystems, directed bridges, entrypoints, hubs), hotspots (hubs), orphans (dead-code candidates), explore (intent → bounded exact neighborhoods), traverse (typed, heterogeneous graph walks), task-context (one-call, mode-scoped orientation for a task: freshness + neighborhoods + impact + related files), and path (shortest call path between two symbols).

  • Local-first by default — the structural graph, local vectors, and default Ollama endpoint stay on your machine. If you explicitly configure a remote Ollama-compatible endpoint, codemap sends the source text being embedded to that endpoint; see the configuration guide.

  • Single core binary — codemap is pure-Go (CGO_ENABLED=0), cross-compiled, and shipped via Homebrew. Optional LSP-backed indexing and embeddings use separately installed language servers or Ollama.

Related MCP server: UltraCode

Surfaces

codemap ships as a CLI and an MCP server (codemap serve). Use --json on CLI commands for machine output. The former Studio TUI is not shipped — see docs/studio.md.

Installation

Homebrew (recommended)

brew install abdul-hamid-achik/tap/codemap

Prerequisites

  • Go 1.25+ (only to build from source)

  • Ollama with the embedding model: ollama pull nomic-embed-text (optional — without it, indexing is structure-only)

  • gopls — optional, for one-off callers/callees --precise Go results

  • Optional: Task for the dev workflow

Supported language paths — Go, Ruby, Lua, GDScript, SQL, YAML, Markdown, and CSS/SCSS/Sass/Less/HTML work with built-in pure-Go backends. TypeScript, JavaScript, Python, and Vue require the language server listed below on PATH; without it, codemap recognizes and reports those files but skips their structural extraction. Semantic retrieval is language-agnostic once symbols are indexed. A precise call graph (callers/callees/impact/hotspots/path) needs --precise:

Language

How

Extensions

Call graph

Go

stdlib go/parser (pure Go, always) · --precise adds exact edges via in-process go/types

.go

name-based by default; exact via --precise

TypeScript / JavaScript

typescript-language-server (one server, JSX/TSX-aware, resolves across the .ts↔.js boundary) + a name-based scan for imports, JSX component usage, and Next.js framework wiring

.ts .tsx .mts .cts .js .jsx .mjs .cjs

name-based JSX/import/framework edges by default; plain function calls via --precise only

Python

pyright-langserver

.py .pyw .pyi

--precise only

Ruby

built-in pure-Go scanner (modules/classes/defs incl. def self.x, endless defs, private def; heredoc-, =begin-, and string-safe)

.rb

name-based (calls + require/require_relative imports)

Lua

built-in pure-Go scanner (function M.foo()/M:foo()/local function and function assignments; long-string- and comment-safe)

.lua

name-based (calls + require imports)

Vue SFC

typescript-language-server via vuesrc — <script>/<script setup> block content is extracted and routed to the TS/JS delegate; symbol lines are mapped back onto the original .vue file

.vue

symbols + defines edges only (no --precise call graph yet)

CSS / SCSS / Sass / Less

built-in pure-Go scanner — selector nodes per class/id token, SCSS/Less nesting flattened, at-rule- and interpolation-safe; className/class= references from TSX/JSX and HTML resolve to selectors as styles edges

.css .scss .sass .less

styles + import edges (no call graph — not applicable)

HTML

HTML tokenizer — static class/id references, embedded style selectors, and local asset links

.html

styles + import edges

SQL / sqlc

Offline declarations and query references; configured sqlc Go mapping

.sql

reads, writes, depends_on; no calls

YAML

Key paths and explicit Task/Compose/workflow dependencies

.yaml .yml

depends_on; no calls

Markdown

CommonMark sections and local links

.md .markdown

documents; no calls

Vue SFCs: a .vue file's <script>/<script setup> block (with lang="ts" routing to TypeScript, unmarked/lang="js" to JavaScript) is delegated to the same typescript-language-server connection that indexes plain .ts/.js files. Template/style blocks are not indexed. A project with only .vue files (no plain .ts/.js) spawns the server itself to serve the script blocks.

The language servers auto-enable when installed — run codemap doctor to see which are detected, or --no-lsp to skip. The next waves are tracked honestly at T0 recognized: Rust; Java/Kotlin/Scala; C/C++/CUDA; C#/VB; PHP; Dart; Swift; Elixir; Svelte/Astro/Razor; shell; HCL/Terraform. T0 means the file is detected and reported with a planned/missing backend, but produces no graph nodes yet. Public support advances per relation domain (symbols, references/imports, resolved calls) only after its fixture and accuracy gates pass; optional SCIP import is the project-level path for several waves. See the language support plan for the T0–T4 admission gates, the Rust pilot, and the project-level SCIP importer design.

From source

git clone https://github.com/abdul-hamid-achik/codemap
cd codemap
task build        # → ./bin/codemap   (or: go build ./cmd/codemap)

Go install

go install github.com/abdul-hamid-achik/codemap/cmd/codemap@latest

Changelog

Release notes are generated per tag by GoReleaser (.github/workflows/release.yml) — see the GitHub releases page for what changed in each version.

Quick start

# 1. Register and index a project
codemap init                       # registers the current directory
codemap index                      # extract graph + attempt embeddings (incremental)
codemap index --no-embed           # structure only (no Ollama needed)
codemap index --precise            # exact call edges (Go via go/types; TS/JS/Python via callHierarchy)
codemap index --watch              # index once, then hand off to the background daemon
# Indexes your code, not your dependencies: node_modules, venv, vendor, dist, build,
# __pycache__, .git (and any dotdir) are skipped by default — configurable via `exclude`.

# 2. Check the environment and inspect config
codemap doctor
codemap config show

# 3. Orient on a symbol — everything in one call (definition, callers, callees, tests)
codemap context authenticateUser   # the one-call overview (agents: codemap_context)
codemap context --at auth.go:42    # exactly one same-named definition

# 4. Navigate the call graph
codemap callers authenticateUser   # who calls it (fast, name-based)
codemap callers authenticateUser --precise   # exact one-off callers via the language server
codemap callers --at auth.go:42    # exact definition from the indexed graph
codemap callees authenticateUser   # what it calls
codemap references authenticateUser # where it is stored/passed as a callback or handler
codemap path     Handler Login     # shortest call path between two symbols
codemap traverse --at auth.go:42 --direction both --edge-types calls,references --depth 2

# 5. Analyze impact and structure
codemap impact   authenticateUser --depth 3   # callers + blast radius + tests
codemap map                              # architecture: subsystems + bridges + entrypoints + hubs
codemap hotspots --top 20          # most-referenced symbols (hubs)
codemap orphans                    # functions with no callers (dead-code candidates)
codemap review                     # diff-scoped impact + tests to run
codemap status                     # bounded-memory stats + warns if the index is stale
codemap status --full              # include the local vector count (may use substantial memory)

# 6. Search by meaning (needs an embedded index)
codemap semantic "jwt validation middleware" --top 10
codemap semantic "jwt validation middleware" --backend vecgrep  # one semantic owner
codemap explore "jwt validation middleware" --seeds 5 --edges 5 --depth 2
codemap task-context "jwt validation middleware" --mode change  # freshness + contexts + impact + related files in one call

# 7. Inspect a symbol neighborhood
codemap context main.go:42 --json

Add --json to any query command for machine-readable output (for agents/scripts).

The flagship impact answers what breaks if I change this, and what do I run to check? in one call (real output, from codemap on itself):

$ codemap impact BlastRadius --depth 2
Impact of BlastRadius (codemap)
  defined:        internal/graph/queries.go:140
  direct callers: 4
  blast radius:   22 (depth ≤ 2)
  tests covering: 11
  covering tests (run these):
     graph.TestBlastRadius                internal/graph/graph_test.go:377
     graph.TestBlastRadiusCycleSafe       internal/graph/graph_test.go:419
     app.TestQueryResultsCarrySignature   internal/app/app_test.go:226
     app.TestImpactSurfacesAnnotations    internal/app/app_test.go:394
     app.TestImpactWarnsOnAmbiguousName   internal/app/app_test.go:1309
     app.TestServiceImpact                internal/app/app_test.go:1486
     app.TestImpactHeuristicTestCoverage  internal/app/app_test.go:1693
     app.TestImpactBlankSymbolRejected    internal/app/app_test.go:1871
     app.TestSecretImpact                 internal/app/secret_impact_test.go:79
     app.TestSecretImpactOrphanKey        internal/app/secret_impact_test.go:100
     … (1 more — use --json for all)
  affected (blast radius):
     [1] app.Service.SecretImpact             internal/app/secret_impact.go:50
     [1] app.Service.Impact                   internal/app/service_impact.go:49
   ✓ [1] graph.TestBlastRadius                internal/graph/graph_test.go:377
   ✓ [1] graph.TestBlastRadiusCycleSafe       internal/graph/graph_test.go:419
     [2] main.runImpact                       cmd/codemap/query.go:218
     [2] main.runSecretImpact                 cmd/codemap/query.go:667
   ✓ [2] app.TestQueryResultsCarrySignature   internal/app/app_test.go:226
   ✓ [2] app.TestImpactSurfacesAnnotations    internal/app/app_test.go:394
   ✓ [2] app.TestImpactWarnsOnAmbiguousName   internal/app/app_test.go:1309
   ✓ [2] app.TestServiceImpact                internal/app/app_test.go:1486
   ✓ [2] app.TestImpactHeuristicTestCoverage  internal/app/app_test.go:1693
   ✓ [2] app.TestImpactBlankSymbolRejected    internal/app/app_test.go:1871
     [2] app.Service.FileImpact               internal/app/file_impact.go:39
     [2] app.Service.Review                   internal/app/review.go:69
     [2] app.Service.Risk                     internal/app/risk.go:37
   ✓ [2] app.TestSecretImpact                 internal/app/secret_impact_test.go:79
   ✓ [2] app.TestSecretImpactOrphanKey        internal/app/secret_impact_test.go:100
   ✓ [2] app.TestSecretImpactNoValueLeak      internal/app/secret_impact_test.go:114
     [2] app.Service.Context                  internal/app/service_context.go:69
     [2] mcp.Server.handleImpact              internal/mcp/server.go:633
   … (2 more — use --json for all, or lower --depth)
Long lists are capped for readability (the nearest blast-radius nodes and the
first covering tests, with a `… (N more)` line); `--json` always carries the
complete set.

## Commands

| Group | Command | What it does |
|---|---|---|
| Project | `init` / `index` / `status` | register, index (`--reindex`, `--no-embed`, `--no-lsp`, `--precise`), show stats + freshness + per-language precise coverage |
| Project | `doctor` | check the environment — toolchains, language servers, embeddings — with install hints |
| Project | `projects` | list all registered projects and their index sizes |
| Project | `config path` / `config show` | resolved config file path and values (`--json`) |
| Navigate | `callers` / `callees` | call-graph navigation (`--at file:line` selects one definition; `--precise` resolves on demand) |
| Navigate | `references` | where a function/method is used as a value (callbacks, handlers, registrations); partial-coverage confidence is explicit |
| Navigate | `path` | shortest call path; unique FQNs select exact endpoints and every result states call-graph confidence |
| Navigate | `symbols` / `symbol-at <file>:<line>` / `find` | outline a file, resolve a position, or find symbols by name |
| Navigate | `source` | print a symbol's source code |
| Navigate | `context` | **one call, everything about a symbol**: definition, callers, callees, value references, tests, blast radius |
| Navigate | `read-order` / `map` / `explore` / `task-context` | ranked reading list, bounded architecture overview, intent-to-structure orientation, or one-call mode-scoped task orientation (`--mode understand\|change\|debug`, alias `brief`) |
| Navigate | `traverse --at <file>:<line>` | bounded walk from one exact definition across selected edge types and directions |
| Analyze | `impact` / `dependencies` / `file-impact` / `review` | exact symbol impact (repeat `impact --at` for a partial-success frame batch; `--batch` stabilizes the one-item envelope), file dependency evidence, or diff-scoped tests |
| Analyze | `hotspots` / `orphans` | hubs / dead-code candidates |
| Analyze | `coverage` | per-file precise call-graph coverage: rollups by language/directory + bounded per-file detail |
| Analyze | `risk` | 0..1 change-risk score with factors |
| Analyze | `secret-impact` / `required-keys` | key-rotation blast radius and least-privilege key sets |
| Search | `semantic` (alias `search`) / `find` | meaning-based search, and offline name search |
| Search | `grep` | exact text search over indexed file content, joined to its enclosing symbol |
| Cache | `cache save` / `restore` / `list` / `drop` | fcheap content-addressed index snapshots |
| Cache | `cache export` / `import` | portable `tar.gz` index snapshots — no fcheap needed, for CI/team sharing |
| Branch | `branch-status` / `branch-switch` / `branch-snapshot` | per-branch index snapshots via fcheap |
| Daemon | `daemon start` / `status` / `stop` | background watcher that keeps the index fresh |
| Knowledge | `annotate` / `annotations` | pin / list notes and external data on symbols/paths; `--external-id` makes automated writes retry-safe |
| Agent harness | `agent setup` / `list` / `playbook` | wire codemap (MCP server + playbook) into an AI coding harness |
| Surfaces | `serve` | MCP server (stdio) |

All query commands accept `--json`.

## Accuracy: name-based vs precise

codemap's graph is **name-based by default** — instant, offline, and tolerant of broken code. It
resolves calls *within* a package precisely (Go), but a cross-package method call like `x.Close()`
links to *every* method named `Close`, because resolving the receiver's type needs a type-checker.
codemap is honest about this rather than hiding it: `callers`/`callees`/`impact` flag when a name
resolves to multiple definitions, and `hotspots` marks name-collision inflation.

**For precise graph coverage, reindex with `codemap index --precise`** (Go). It runs an in-process,
pure-Go `go/types` pass that replaces name-based edges in each package/file it resolves successfully.
Each query is `resolved` only when all definition files it matches have precise coverage; packages
that fail type-checking stay name-based, and an uncovered LSP-language definition stays `unresolved`.
On the codemap repo itself this collapses the `Close`/`Error`
fan-out (e.g. one `Close` method that name-matching credited with 71 callers drops to its real ~12)
and turns `hotspots` from name-collision noise into genuine hubs. Requirements and guarantees:

- Needs the `go` toolchain and a buildable module. A package that doesn't type-check keeps its
  name-based edges (per-package degrade); a project with no `go`/`go.mod` falls back wholesale **with
  a note** — never a hard error, and never worse than name-based.
- Purely additive and opt-in: without `--precise`, indexing is byte-for-byte the fast name-based path.
- Interface dispatch is statically undecidable, so a precise edge points at the interface method, not
  the concrete implementors.

**For TypeScript/JavaScript, plain function calls still come only from `--precise`.** Base indexing
now extracts real name-based edges for TS/JS: import edges (`import`/`export … from`/`require`/
dynamic `import()`, comment-safe, with `@/` and `~/` alias and workspace-package resolution), JSX
component-usage call edges in `.tsx`/`.jsx` (`<Foo/>` — rendering is invocation; member expressions
like `<Foo.Bar/>` and `<motion.div/>` resolve to the root binding; lowercase intrinsics like
`<div>` never create edges; generics/comparisons are excluded, and commented-out or string-literal
JSX creates nothing), and Next.js framework-wiring references. Like all name-based extraction these
are *candidate* edges (same over-match contract as Go selector calls) — but a React codebase no
longer reads as disconnected. Ordinary function calls (`foo()`) still have no name-based TS/JS
edges: `index --precise` drives `typescript-language-server` `callHierarchy`; files it resolves gain
exact edges that supersede the candidates per file, while any uncovered definition remains
explicitly `unresolved`. The same
`callers`/`callees`/`impact`/`hotspots`/`path` queries then use that indexed coverage with no flag of their own.
Needs `typescript-language-server` on `PATH`.

For a one-off exact answer *without* reindexing, `callers`/`callees` also accept `--precise`
(`callHierarchy` through the language server), which degrades to the indexed graph with a note
when the server can't resolve.

Precise indexing makes the **edges** exact; a bare query such as `impact Close` still deliberately
unions every definition named `Close`. To keep a follow-up on one definition, use CLI `--at
file:line`, or pass MCP `selector:{file,start_line,fqn,kind}` projected from any symbol result.
Selectors prefer file+FQN+kind, so ordinary line shifts survive reindex; moves/renames return a
miss instead of silently selecting another node. Raw SQLite node IDs are never a public contract.

File dependency evidence is confidence-aware. Exact same-package or precise relationships are
`confirmed`; qualified name fan-out, package-scoped imports, and stale snapshots are `candidate`.
`file-impact` reports `delete_verdict:"unsafe"` only for fresh confirmed file-scoped evidence;
candidate-only or incomplete evidence remains `unknown`. `review` analyzes deleted definitions from
the last indexed snapshot when available and tells an agent to run selected tests before reindexing
prunes that historical evidence.

`orphans` finds call-graph dead ends. It follows functions wired by *value* — handlers in a
table like cobra's `RunE: runInit`, callbacks passed to a registrar — and excludes methods that
implement well-known stdlib interfaces (`error`, `fmt.Stringer`, `Unwrap`, the JSON/text
marshalers), so those aren't flagged as dead (Go). In TS/JS, JSX component usage and Next.js
framework wiring (App Router special files like `page.tsx`/`layout.tsx`, `route.ts` HTTP-verb
handlers, `middleware`, Pages Router modules) keep rendered components and framework-invoked
exports off the dead-code list — including wrapped default exports (`export default memo(Page)`,
`forwardRef(...)`, or a chain of both), whose innermost identifier is resolved as the wired
component. It still can't see callers reached via
*custom* interface dispatch or reflection, or a component passed only as a *prop*
(`<Nav Link={AuthLink}/>` — never JSX-rendered by name),
so treat its output as *candidates*, not proof.

## Use it from an agent (MCP)

codemap is a stdio MCP server. The fastest path is `codemap agent setup <harness>` — it merges the
codemap server into the harness's native config and drops a playbook that teaches agents *when* to
use the tools (no hand-editing config files):

```bash
codemap agent setup claude-code   # installs the plugin (MCP server + using-codemap skill)
codemap agent setup cursor        # or: codex, gemini, vscode, opencode, cline, roo, zed, aider
codemap agent setup agents-md     # playbook-only fallback for any AGENTS.md-aware harness
codemap agent list                # what's detected here, and whether codemap is registered

In Claude Code you can also install the plugin directly: /plugin marketplace add abdul-hamid-achik/codemap then /plugin install codemap@codemap.

Prefer to wire it yourself? Most CLIs have a one-liner:

claude mcp add codemap -- codemap serve     # Claude Code (add --scope user for all projects)
codex mcp add  codemap -- codemap serve     # OpenAI Codex
copilot mcp add codemap -- codemap serve    # GitHub Copilot CLI

For any other MCP client, add a stdio server to its config (the key may be mcpServers, mcp, or context_servers):

{
  "mcpServers": {
    "codemap": { "command": "codemap", "args": ["serve"] }
  }
}

Once connected, an agent can call codemap_docs to learn the tools and workflow on its own.

CODEMAP_MCP_PROFILE=agent selects exactly the 26-tool surface derived from the taught agent workflow (25 named tools plus codemap_docs). The compatible core profile has the same inventory today; the default full profile remains the explicit 45-tool expert/admin surface. See MCP tool profiles for the measured schema cost and precedence rules.

Tools (45): codemap_init, codemap_index, codemap_status, codemap_doctor, codemap_semantic, codemap_callers, codemap_callees, codemap_references, codemap_impact, codemap_file_impact, codemap_file_context, codemap_refactor_plan, codemap_dependencies, codemap_review, codemap_secret_impact, codemap_required_keys, codemap_risk, codemap_hotspots, codemap_orphans, codemap_coverage, codemap_read_order, codemap_map, codemap_explore, codemap_traverse, codemap_task_context, codemap_path, codemap_related_files, codemap_symbols, codemap_symbol_at, codemap_find, codemap_grep, codemap_source, codemap_context, codemap_context_batch, codemap_projects, codemap_docs, codemap_annotate, codemap_annotations, codemap_unannotate, codemap_branch_status, codemap_branch_switch, codemap_cache_save, codemap_cache_restore, codemap_cache_list, codemap_cache_drop. Project-scoped tools accept an optional path (the project directory) and return JSON; codemap_projects, codemap_docs, and codemap_doctor are global/environment tools and take no project path. The two an agent reaches for first: codemap_context <symbol> bundles a symbol's definition, callers, callees, value references, covering tests and blast radius in one call, and codemap_status reports index freshness — a stale count of files changed/added/removed since indexing, so the agent knows to reindex before trusting results. codemap_callers / codemap_callees accept precise: true for exact on-demand language-server results (gopls for Go, typescript-language-server for TS/JS, and pyright for Python); codemap_source returns a symbol's body; codemap_projects lists what's indexed; codemap_docs returns an agent guide so a harness can learn the tool; codemap_annotate / codemap_annotations pin notes and external data (DB rows, findings) to symbols and call paths — a knowledge layer over the graph (see below). Automated writers can send external_id; codemap upserts it within project + source and reports whether the row was created, updated, or unchanged.

codemap_map, codemap_traverse, codemap_refactor_plan, and codemap_task_context are extended surfaces registered only in the default full MCP profile; codemap_explore is part of the taught workflow and ships in every profile. The CLI commands remain available regardless of MCP profile.

For same-named definitions, pass selector:{file,start_line,fqn,kind} to codemap_source, codemap_context, codemap_callers, codemap_callees, codemap_references, codemap_impact, codemap_risk, or full-profile codemap_traverse. codemap_path accepts from_selector + to_selector. The fields are a direct projection of the symbol objects these tools already return, so chaining adds no database-ID contract.

codemap_context uses the indexed graph only: it never launches language servers implicitly, and reports call_graph:"unresolved" plus a precise-index action when the graph is incomplete. codemap_context_batch caps aggregate source bodies at 64 KiB while retaining signatures, docs, and locations; source_budget / source_truncations disclose any shortening. Optional component failures appear in partial_errors without discarding the usable parts of the bundle.

Results carry each symbol's signature (e.g. func (s *Store) Hotspots(projectID int64, limit int) ([]Hotspot, error)) and docstring, so an agent understands what callers/callees/hits are and what they do without a follow-up file read — and same-named symbols are easy to tell apart.

The flagship is codemap_impact — one call returns a symbol's definition sites, callers, the transitive blast radius, and which tests cover those paths, replacing many file reads.

Configuration

XDG-style, with CODEMAP_* environment overrides and an ecosystem fallback:

$XDG_CONFIG_HOME/codemap/config.yaml     # config        (~/.config/codemap/…)
$XDG_DATA_HOME/codemap/                   # graph DB, veclite, project registry
$XDG_CACHE_HOME/codemap/                  # caches

If ~/.codemap/ already exists it is used (back-compat with vecgrep/noted). codemap init --local drops a .codemap marker so a repo-local codemap.yaml is picked up from any subdirectory; the index stays central (set CODEMAP_DATA to a path inside the repo for a repo-local index). Precedence and all keys are documented in the public configuration guide. Override paths with CODEMAP_CONFIG / CODEMAP_DATA; contributors should also read AGENTS.md.

How it fits the ecosystem

codemap is built on veclite and shares conventions with vecgrep (semantic code search) and noted (code notes). Set semantic.backend: vecgrep to make vecgrep the sole retrieval owner while codemap keeps structural identity, freshness, relations and impact. The boundary is a versioned one-hop CLI contract—no shared packages or stores. In the other direction, codemap structural-manifest --json gives vecgrep a source-free identity/freshness preflight before codemap export-symbols --json emits the paginated codemap.structural-export.v1 feed used by vecgrep's structural_chunks: auto|off|required modes; stale or unreadable symbol content is omitted explicitly instead of being embedded as if it were current.

Documentation

Product docs: codemap.tools · Quick start · CLI · Configuration · Agent guide · MCP · Languages. Contributor rules live in AGENTS.md.

License

MIT © 2026 Abdul Hamid Achik

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